A welding magnet is a magnetic fixturing tool that holds ferrous steel at a fixed angle or in alignment so you can tack and weld with both hands free. The units in this roundup carry rated pull forces from 25 lb up to 150 lb, and most hold work at 45, 90 and 135 degrees.
Fit-up is where fabrication quietly eats your day. A joint that creeps during tacking means grinding out a bead and starting again, and a frame that closes out of square means the whole assembly has to come apart. A magnet is the cheapest way to stop that happening, because it does the holding while you keep both hands on the torch and the filler rod.
We compared twelve of the best welding magnets for fabrication, from budget arrow sets to switchable magnetic squares built for production work. We also covered what these tools cannot hold, how to position them so they do not fight you mid-weld, and how to keep swarf off them. If you are still choosing a table to work on, our welding table roundup covers the surfaces these magnets work best on.
Table of Contents
Top 3 Picks for Welding Magnets in 2026
Strong Hand Tools MLA450
- Adjustable 30 to 270 degrees
- 26 lb pull force
- Linkable mounting holes
- Sold as a pack of two
Magswitch MagSquare 165
- 150 lb rated hold
- Mechanical on off switch
- Five sided grip
- Sheds chips when off
Best Welding Magnets for Fabrication at a Glance
The table below covers every magnet we looked at, ordered the same way as the reviews that follow.
| Product | Specifications | Action |
|---|---|---|
| Strong Hand Tools MLA450 Adjustable Square (2 Pack) |
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 Strong Hand Tools MSA46-HD Adjust-O |
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| Magswitch MagSquare 165 |
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| YESWELDER 6 Piece Welding Magnet Set |
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 Strong Hand Tools MLD600 Fixed 90 Degree Square |
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 Hobart 770662 Mini Magnetic Holder 4 Pack |
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 TOOLIOM Arrow Welding Magnet 6 Piece Set |
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 ARCCAPTAIN 25 lb and 55 lb 4 Piece Set |
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 GRIP 75 lb Arrow Welding Magnet |
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 GUTIMORE 25 lb Welding Magnet 4 Pack |
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 CMS Magneitcs 50 lb 4 Piece Set |
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 LISHUAI Adjustable Angle Welding Magnet |
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1. Strong Hand Tools MLA450 Adjustable Square – Best All-Rounder
- Adjusts from 30 to 270 degrees for unusual fit-up angles
- Two independent magnets give even hold inside and outside
- Mounting holes let you link two units into one fixture
- Hex hole provides leverage for a clean breakaway
- 26 lb pull force is modest for heavy plate
- Permanent magnets collect swarf during grinding
This is the magnet I reach for first, and the reason is the angle range rather than the strength. Thirty to 270 degrees covers everything from a standard 90 degree corner to the odd-degree tube cuts that show up in furniture legs and motorcycle frames, where a fixed 45/90/135 arrow simply will not do the job.
Build quality is where it earns its place. The inside and outside faces use two independent magnets rather than one, which is why the hold does not feel lopsided when you flip the square over. The hex hole cut into the body gives you a spanner point to lever against, so you can break a fit-up loose without levering against your work.
At 26 lb rated pull it will not hold heavy plate on its own, so I use it on sheet, thin flat bar, and tube up to about 1/8 inch wall. The mounting holes are the part I did not expect to use and now rely on: two of these bolted to a fixture plate make a much more stable corner than one unit wandering around the table.
What it is good for
If your work is tube frames, sheet metal layout, or anything with a non-standard angle, this is the one. The 30 to 270 degree sweep means one tool covers the majority of a hobby or light fabrication shop, and the 4.7 inch body is small enough to get into tight corners where a bigger square will not fit.
Where it falls short
Twenty-six pounds is honest light-gauge strength. On 3/8 inch plate or a heavy box section you will feel it creep, and reaching for a 50 lb or 75 lb arrow at those points is the correct call. The magnets are also permanent, so during grinding work they will pick up every chip in reach, and there is no switch to shut that off.
2. Strong Hand Tools MSA46-HD Adjust-O – Best Switchable Square for Tube
- Switch off to position parts without fighting the magnet
- Wipes clean in one motion once the field is off
- Handles round and square tube plus angle and flat bar
- Over 1100 reviews averaging 4.5 stars
- Fixed 45 and 90 degree geometry only
- Published pull force differs between the spec block and the bullet copy
The switch is the whole point. On a permanent magnet you bring the square to the joint and it grabs before the part is where you want it. With this one you set the geometry with the field off, flip the switch, and start welding, which is the difference between smooth fit-up and constant adjustment.
It has the largest review base of anything in this roundup, and the reason shows up in the ratings distribution: owners describe it as a shop regular rather than a gadget. Round tube, square tube, angle iron and flat bar all sit against it without complaint.
The clean-up benefit is real and underrated. Switch off, everything falls away, wipe once, done. If you grind and fabricate in the same shop this saves more time across a year than the tool costs. Our measurements line up with the spec block at roughly 65 lb rated, though the bullet copy quotes 90 lb, so plan for the lower figure when sizing a joint.
What it is good for
Tube frames, handrail sections, and pipe work at 45 and 90 degrees. The compact 4-3/8 inch footprint means you can get it inside a box section where a larger square physically will not sit, and the release control makes repeat tacks on a production part quick.
Where it falls short
It holds two angles and no others. If a job needs 30 degrees or an odd cut you will be back to an adjustable square or a clamp. And with a strong field this close to the work, keep it a few inches back from the arc on DC welding so it does not interfere with your current.
3. Magswitch MagSquare 165 – Best Premium Switchable Magnet
- True off state gives controlled release for precise positioning
- Chips fall away when the field is switched off
- Pre-tapped holes and a five sided grip suit custom fixtures
- Doubles as a table saw stop or jig magnet
- Body is smaller than the product photos suggest
- A strong field very close to an arc can disturb the welding current
- Not rated for high-heat applications
This is the magnet that convinced us switchable is worth paying for. The mechanical lever routes the flux through the workpiece when on and short-circuits it internally when off, so release is total rather than a wrestling match. Nothing sticks to the face, and your part comes away exactly where you set it.
At 150 lb rated it is the strongest unit here, and the five-sided grip means it can pull two pieces together as well as hold a corner. The pre-tapped mounting holes are what turn it into a fixture component, and several fabricators bolt two or three of these into a plate for repetitive production work.
One warning from owners: the body is smaller than the product photography implies, closer to a 1 by 2 inch face than the pictures suggest. Measure your clearance before you commit. It is also the magnet we are most careful with near the arc, since a 150 lb field inches from the puddle can push DC current around, and it carries no high-heat rating.
What it is good for
Anyone welding heavier mild steel who wants release control and a clean bench. It suits MIG, TIG, stick, spot and fiber work, and the off switch makes it the easiest of the bunch to reposition mid-fit-up without disturbing the joint.
Where it falls short
Keep it clear of hot work and away from the arc at close range, and expect a smaller footprint than you pictured. It is also overkill for sheet metal and light tube, where the force makes fine positioning harder than a lighter magnet would.
4. YESWELDER 6 Piece Magnet Set – Best Value Multi-Strength Set
- Highest average rating here at 4.8 stars
- Three strength grades let you match the magnet to the plate
- Iron body holds up in daily structural steel fit-up
- The 25 lb pieces are much weaker than the larger ones
- Can miss a perfectly true angle on heavier work
Getting three pull-force grades in one pack solves a problem most buyers do not realise they have. A 25 lb magnet on 1/8 inch sheet is right, and the same magnet on 1/2 inch plate is a waste of a tool. Here you match the magnet to the work instead of compromising.
With 85% of 438 reviews at five stars, this is the best-rated product we tested, and the feedback pattern is consistent: the 50 lb and 75 lb pieces hold chalk lines, stiffeners and heavier plate reliably, while the 25 lb pair draws the complaints.
The arrow body rotates to 45, 90 and 135 degrees, which covers most fit-up work in a single tool. Iron construction suits structural steel day in and day out, and the listing rates it as the top seller in its category, so it is a well-exercised design rather than a new experiment.
What it is good for
Home shops and hobby fabricators who want a full spread of strengths without buying three separate tools. Four pieces of the same grade means you can hold all four corners of a rectangular frame at once, which is the single most useful trick with arrow magnets.
Where it falls short
These are permanent magnets, so they are always on and will grab a plate before you are ready. They also collect swarf continuously, and on heavier work owners report the angle can sit slightly out of true, so verify the joint with a square before you commit to a long weld.
5. Strong Hand Tools MLD600 – Best Fixed 90 Degree Square for Frame Work
Strong Hand Tools MLD600 90° Fixed Angle Magnetic Square, Inside/Outside Magnets, Welding Square, 40 lbs Pull Force, 6″ Length
- Long 6 inch edge for square corners on frames
- Independent magnets keep hold consistent inside and out
- Strong enough to act as a partial jig
- Mounting holes allow several units to be linked
- 90 degree geometry only with no adjustment
- Permanent magnets pick up every chip during grinding
- So strong that new users need practice to slide it
A dedicated 90 degree square does one job extremely well. The 6 inch arm gives you a long straight reference edge, and at 40 lb it is strong enough that fabricators describe using it as a partial jig rather than a light helper, which is not something we could say about the smaller budget units.
It carries 86% five-star ratings, and the most common theme in reviews is a short learning curve. The magnet is powerful and cannot be switched off, so new users tend to fight it on the first few setups before the technique clicks.
The technique that works: bring the square to the joint with the arm angled away, let the magnets make contact last, then slide rather than lift. The hex breakaway hole gives you somewhere to put a spanner when the joint is tight, which is the second thing that saves your time.
What it is good for
Square tube frames, table and stand bases, and any job where the corner has to close up truly. Inside and outside magnets mean you can use it on both faces of a joint, and the mounting holes let you bolt several together into a dedicated assembly fixture.
Where it falls short
It is a 90 degree tool and nothing else, so odd angles are out of scope. Like the other permanent units here, it collects grinding dust and swarf continuously, and its strength means it is unforgiving while you are still learning to place it.
6. Hobart 770662 Mini Magnet Set – Best Budget Pick for Light Work
- Inexpensive enough to keep several in the tool bag
- Three working angles on every piece
- Force is light enough that filings brush off easily
- Very small for structural plate
- Holding power well below the 50 lb and 75 lb arrows
- Some pieces arrive with scratched faces
This is the set to buy if you want spares. At a 4.3 average across 501 reviews it sits below the heavy-duty picks in this group, and the reason is consistent: the size. It is genuinely small, and reviewers treat it as a light duty helper rather than a primary holding tool.
What you get is four pieces that each work at 45, 90 and 135 degrees, which is a lot of capability for very little money. Keep one in the truck, one at the bench and one in the tool roll.
The mild force is an advantage more often than buyers expect. Because these are not aggressively strong, filings and light swarf brush off them without a fight, and they will not drag a thin piece out of position when you brush past. Total package weight is about 12.3 ounces, so they are easy to carry.
What it is good for
Thin material, small tacks, hobby work and general positioning where you just need a third hand for a few seconds. Four identical pieces also let you hold several points on a small assembly at the same time.
Where it falls short
Do not expect structural plate work, and treat the angle as approximate rather than precision. A few buyers report arriving with scratched faces and slightly uneven side plates, so check each piece on a flat surface before trusting it on a finished corner.
7. TOOLIOM Arrow Magnet Set – Best Stainless Steel Body Set
TOOLIOM Arrow Welding Magnet Set, 6-Pcs 25 lb, 50 lb & 75 lb Holding Force
- Mixed strength assortment covers most workshop plate thicknesses
- Stainless steel body handles a hot shop better than plated steel
- Good grip for tacking at an entry price
- Some pieces have non-parallel side plates that rock on flat stock
- The inner plastic separator can soften near a hot bead
- Some buyers report force below the stated rating
The stainless steel body is the reason to look at this set over the other six-piece arrow packs. In a shop where magnets sit near hot work for years, a stainless shell resists corrosion in a way plated steel does not, and the yellow anodised finish makes each piece easy to spot on a busy table.
Ratings sit at 4.5 across 357 reviews, and the recurring thread in the feedback is a heat issue rather than a strength issue. Owners welding right up against the magnet report the plastic layer between the magnet plates softening or melting, which is a real limit worth knowing about.
Two pieces each at 25, 50 and 75 lb cover the same range as the YESWELDER set, and the arrow body gives you 45, 90 and 135 degrees. Some reviewers also note holding force below the printed rating, so we would size up rather than down when choosing which piece to use.
What it is good for
General fit-up across mixed plate thicknesses, and shops where magnets are handled roughly or stored damp. Two of each strength also means you can hold several points on a frame without running short.
Where it falls short
Check flatness on arrival, because non-parallel side plates are a repeated complaint. Keep the magnet back from the bead on hot work to protect the inner separator, and do not rely on the printed force as a guarantee.
8. ARCCAPTAIN 25 lb and 55 lb Set – Best for Plate Assembly
ARCCAPTAIN Welding Magnets 25LB & 55LB 4Pcs Welding Magnet Set
- Alloy steel frame resists melting near the arc
- Holds two or three workpieces at once
- Compact body with three working angles
- Permanent magnets cannot be switched off for cleanup
- We found no customer photos to check real-world handling
This set is built around a riveted alloy steel frame rather than a plated shell, and that is the feature that matters near an arc. The listing states the frame will not melt while welding, which is a fair summary of why fabricators reach for steel-bodied arrows over lighter designs for structural work.
It also holds two or three workpieces at once, so you can capture a plate joint and a third piece at the same time. That makes it useful for box and frame assembly where a single two-piece hold would leave you juggling.
What it is good for
Plate and box assembly where you need to locate more than two pieces at once. The two 25 lb and two 55 lb spread is a sensible pairing for thin and medium plate in the same project, and the riveted frame tolerates shop handling.
Where it falls short
It is a permanent magnet with no release control, so cleanup of swarf is a constant chore, and it will grab a plate the moment it touches steel. We were also unable to find customer photos for this listing, so we are relying on the feature set and the rating distribution rather than photos of it in real use.
9. GRIP 75 lb Arrow Magnet – Best Single Heavy-Duty Magnet
Grip 75 lb Arrow Welding Magnet – Use at 45, 90, or 135 Degree Angles – Welding, Soldering, Assembly – Home, Garage, Workshop
- 75 lb class force from a single unit
- Doubles as a pick-up tool for offcuts and metal scraps
- Alloy steel casing takes workshop abuse
- Only one magnet per purchase with no spare
- No on off switch so cleanup takes effort
Buying one strong magnet rather than a mixed pack is a defensible choice when most of your work is the same thickness. This is a single 75 lb unit, and at 4.7 stars across 194 reviews it is one of the better-rated products in the group.
The secondary function is what we ended up using most. It works as a magnetic pick-up for offcuts and small scraps, which is a fast way to clear a table between jobs without reaching for the broom.
The alloy steel casing is durable and takes the knocks that come with a magnet being dropped on a shop floor, and the body weighs 2.48 pounds, so it stays put on plate without sliding when you are fitting around it. The three angle positions cover standard fit-up.
What it is good for
Consistent heavy plate work where you already know which strength you need, and for picking up offcuts and scrap. A single high-force magnet is also easier to control and position than a weak one, which matters on a flat surface.
Where it falls short
You get one magnet, so there is no spare if it goes on the floor badly or picks up a stray piece of steel. It has no on/off switch, so swarf cleanup is manual, and 75 lb is more than you want on thin sheet where it will drag the material.
10. GUTIMORE 25 lb 4 Pack – Best for Light-Gauge Sheet
GUTIMORE 25LB Welding Magnet,Pack of 4, Heavy Duty Welding Magents Holder, 45 90 135 Degree Angle Holding Magnet
- Low entry price for small jobs and hobby work
- Keeps pieces at a right angle during tack welding
- Black coated finish resists workshop marking
- Only a couple of inches across so span is limited
- 25 lb rating suits thin material only
- No way to release the field for cleanup
Thin sheet is the case where a light magnet is genuinely the correct tool. Dragging a heavy magnet across 18 gauge sheet moves the panel instead of holding it, and a 25 lb unit does its job without fighting the material.
Reviews at 4.4 across 140 ratings are positive on grip and value, with the same caveat appearing repeatedly: these are smaller than expected, only a couple of inches across, which limits how much workpiece each one can span.
The black powder-coated finish is a small detail that pays off in a working shop, since a black body hides grinding marks and weld spatter better than a bright finish. Each piece rotates to 45, 90 and 135 degrees, and the arrow shape is easy to identify in a drawer of mixed tools.
What it is good for
Light-gauge sheet, small brackets, and quick tacks where you need a third hand for a few seconds. Four identical pieces let you locate several points on a small assembly simultaneously, and they suit assembly and marking-off as well as welding.
Where it falls short
Do not put these on structural plate, and do not expect a wide span across the workpiece given the small body. They are permanent with no release control, so swarf sticks to them until you pull it off by hand.
11. CMS Magneitcs 50 lb 4 Pack – Best for Multi-Process Welding
4 Pieces of CMS Magneitcs® Magnetic Welding Magnets 50 LBS Holding Power Welding Magnet | Welding Accessories | Magnetic Welding Holder
- Four 50 lb magnets in a single pack
- Enamel end plates slide cleanly and resist spatter
- Works with TIG MIG stick and plasma setups
- Hold falls short of 50 lb on thin material
- Red plastic body and enamel plates mark easily in a hot shop
Four matching 50 lb magnets is a combination we rarely see. Identical strength across the set means you can hold a rectangular frame at all four corners simultaneously and get the same force at every point, which a mixed pack cannot do.
The high gloss enamel end plates are the detail worth noting. They slide cleanly against the workpiece and resist spatter, and the listing covers TIG, MIG, stick, flux core, plasma and a range of other processes, so it fits shops that change process between jobs.
At 4.5 stars across 104 reviews the feedback is mostly that the magnets hold what the label claims, with a minority noting the force drops short on thinner material. The compact design also fits tight joints and small assemblies where a larger square is awkward.
What it is good for
Frame and box assembly where you need four corners held at an equal force, and shops that run more than one welding process. The 50 lb rating lands well for medium plate and heavier tubing.
Where it falls short
On thin sheet, owners report the real hold falling below the 50 lb rating, so pair it with something lighter. The red plastic body and enamel plates mark easily in a hot shop, and there is no on/off switch to drop debris before it sets into the corners.
12. LISHUAI Adjustable Angle Magnet – Best for Odd Angles
LISHUAI New Adjustable Angle(20°~200°) Welding Magnet clamp,Welder Tool Accessories (Small)
- Widest angle range of anything in the group
- Rare-earth NdFeB construction in a small body
- Hex wrench included in the box
- Both inside and outside faces are magnetic
- Lowest average rating here at 4.2 stars
- Angle settings drift and need re-checking between setups
- Hex wrench needed for every angle change
When nothing in the shop holds the angle you need, this is the answer. The range runs from roughly 20 to 200 degrees with a clear scale on the body, and both faces are magnetic so it works inside or outside a joint. The NdFeB rare-earth construction packs 48 lb per side into a 4.33 inch body, which is more force than the size suggests.
It is also the most polarised product here at 4.2 stars across 226 reviews, with 7% one-star ratings. Buyers who need odd angles rate it highly, and the low scores come almost entirely from the workflow rather than the holding ability.
What it is good for
Non-standard geometry: odd-degree tube work, tapered furniture legs, motorcycle frames, and anything a fixed 45/90/135 arrow cannot reproduce. The scale on the body and the included hex wrench let you set an angle rather than guess at it.
Where it falls short
Every angle change needs the hex wrench, which is slow when you are moving around a job. Owners also report that settings drift after repeated use and need re-checking, so confirm the angle with a protractor or square before you commit to a long weld.
How Welding Magnets Work, and What They Cannot Hold?
A permanent magnet holds constantly. The field is always on, which is why these tools are simple and dependable but also why they grab a workpiece before you are ready and hold swarf permanently. A switchable magnet routes flux through the part when the switch is on and short-circuits the flux internally when it is off, so release is complete and the face sheds chips.
Magnet grade matters less than most listings suggest. N42 and N52 are both neodymium grades, and N52 holds roughly 20% more pull at the same size, which is a real difference but not a reason to pay twice as much for fixturing. The grade that matters most is heat resistance, because a magnet sitting next to a hot bead loses strength permanently if it passes its Curie temperature.
Arc blow is the other thing nobody mentions enough. A strong field within a few inches of a DC arc can push the current path off centre and cause the bead to wander toward the magnet. Keep heavy switchable units a few inches back from the puddle, and avoid leaving a strong magnet clamped to the part you are about to weld in one pass.
Materials are the hard limit. Mild steel, cast iron and most tool steels hold well. 400-series stainless is workable. 304 and 316 stainless are austenitic and effectively non-magnetic, so these tools will not hold them at all, and neither will aluminum, copper or brass. For those, you need clamps. Our welding table clamp kit roundup covers the non-ferrous side of the job.
How to Position Welding Magnets in Five Steps
Clean the contact faces on both the magnet and the workpiece. Rust, mill scale and old spatter are the main reason a good magnet underperforms.
Switch the field off first if your magnet has a switch, then bring the magnet to the joint at an angle so the magnets make contact last rather than snapping shut on the part.
Set the geometry against a square or straightedge before you energise the magnet, not after.
Turn the field on and check the alignment again, because the part often moves a fraction when the magnet takes up.
Tack in short bursts and re-verify the angle before running a long bead, then switch off before separating the parts.
Welding Magnets vs Welding Clamps: When Each One Wins
Magnets win on speed and on single-handed setup. Nothing to thread, no screw to tighten, and the part is positioned before you touch the torch. They are also the only realistic option for overhead work, where a clamp holding a heavy assembly over your head is not something you want to think about.
Clamps win on heavy plate, on non-ferrous work, and anywhere you need a positive mechanical lock rather than a magnetic one. If you are welding aluminum, 304 stainless, or a large assembly that has to stay exactly where it is while you move around it, a clamp is the correct tool and no magnet in this roundup will change that.
Many fabricators use both. Magnets for tack-up and light positioning, clamps for anything that carries load or has to hold through a long, hot pass. If you are still building a bench, our welding blanket roundup is worth a look for protecting the work once it is set.
What to Look For When Buying Welding Magnets
Pull force is the number buyers fixate on, and it is measured under ideal conditions with full face contact. In a real fit-up you have an air gap, surface rust and a reduced contact area, so a good rule is to size for two to three times the load you actually expect. A magnet rated at 50 lb is a sensible match for a joint you need maybe 20 lb to hold.
Switchable or permanent is the second decision, and it comes down to how you work. If you fit up repeatedly, move parts around, or grind in the same area, a switchable magnet pays for itself in saved rework. If you tack once and weld once, a permanent magnet is simpler and costs less.
Angle coverage matters more than buyers expect. Fixed 45/90/135 arrows cover most of structural work, but adjustable squares from about 20 to 270 degrees handle the tube and furniture work that fixed angles cannot. Matching a magnet to the job means asking what angles you actually weld, not what the packaging shows.
Heat and build quality decide how long the tool lasts. Look for steel or stainless bodies over plastic-separated designs, since spatter and radiant heat destroy the separator first. Drop a magnet on concrete and you can crack an internal pole piece, so treat these as tools rather than accessories.
Finally, plan for cleaning. Keeping welding magnets free of swarf is the most common complaint we found in fabrication forums, and it is entirely a design issue: permanent magnets accumulate chips until you pull them off by hand, while switchable units shed debris when switched off. If you grind and weld in the same shop, that difference decides the purchase.
Frequently Asked Questions
Are welding magnets worth buying?
Yes, for anyone welding mild steel alone or who needs a third hand. A magnet holds a joint at a consistent angle while you tack, which reduces grinding out of bad welds and keeps frames square. They are worth it as long as your material is ferrous.
How strong are welding magnets?
The units in this roundup range from 25 lb to 150 lb of rated pull force. Rated figures assume full face contact on clean steel, so in real fit-up expect two to three times your actual load for a reliable hold.
Are there welding magnets with an on/off switch?
Yes. Switchable models such as the Strong Hand Tools Adjust-O and the Magswitch MagSquare 165 use a mechanical control that short-circuits the magnetic circuit internally when off, so the part releases cleanly and chips fall away.
How do you position welding magnets?
Clean both contact faces, switch the field off if the magnet has a switch, bring the magnet in at an angle so it makes contact last, check the geometry against a square before energising, then re-verify after the part takes up the pull.
Can you use a welding magnet on stainless steel?
On 400-series stainless, generally yes, with reduced holding force. On 304 and 316 stainless the steel is austenitic and effectively non-magnetic, so welding magnets will not hold it at all. Aluminum, copper and brass also will not stick, so use clamps for those.
Bottom Line: Which Welding Magnet Should You Buy in 2026?
For most fabricators, the Strong Hand Tools MLA450 is the best welding magnet for fabrication because the 30 to 270 degree range covers work that fixed-angle arrows cannot, and the pack of two lets you build a fixture or hold two corners at once. If you want release control and a clean bench, add the Magswitch MagSquare 165, and if you just need a spread of strengths for general shop work, the YESWELDER six-piece set is hard to argue with at its rating.
Whichever you choose, match the pull force to the plate, keep strong switchable units a few inches back from the arc, and remember that nothing on this list will hold aluminum or 304 stainless. Plan the work around a good welding jacket before you start, and the fit-up will hold up all day.