Spotter Arms
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Spotter Arms Attachment – Pair

Stay safe by attaching these heavy-duty Spotter Arms, or use as a secondary squat/bench station.

Fits 2.3″ x 2.3″ uprights with 5/8″ holes only.


In Stock





Train to failure while staying safe with
the heavy-duty Spotter Arms.

Robust set of Spotter Arms with UHMW protection that can be used on the inside or outside of your rack for dual use. For more info, check out Power Rack Safety Straps vs Bars vs Arms.

Specs Per Spotter Arm

Total Length695.3mm/27.3″
Usable Length635mm/25″
CoatingBlack Powder Coat
LiningUHMW Plastic
Max Capacity181kg/400lb
Shipping Box Dimensions27" x 11" x 5"
WarrantyLimited Lifetime Warranty

IMPORTANT: The Spotter Arms ONLY fit upright tubing dimensions of 2.3” x 2.3” (60mm x 60mm) with 5/8” holes — our standard Bells of Steel upright size.

Frequently Asked Questions

Each Arm has a 695.3mm/27.3″ length, has a 60mm/2.3″ width, and a 298.4mm/11.8″ height.

Each Arm weighs 5.9kg/13lbs, for a combined weight of 11.8kg/26lbs.

The lining material is UHMW plastic, with a black powder coat on the outside of the Spotter Arms.

Each Arm has 635mm/25” of usable arm length for catching your barbell.

No, it’s very unlikely that they will fit. The Spotter Arms are designed to fit perfectly to fit our racks with 2.3” x 2.3″ / 60mm x 60 mm and 5/8” holes.

Yes, each Spotter Arm has a distinct right or left side and they will look symmetrical when mounted.

Technically, yes — but it is NOT recommended. Unless the Squat Stands are heavily weighed down with sandbags or bolted to the floor, there is a high chance of tipping if the Spotter Arms are attached.

In the box, you’ll find the following pieces: two (2) Spotter Arms and two (2) hitch pins + cotter pins.

No tools are needed, as there is no assembly required.

Covered under our Limited Lifetime Warranty guarantees that the Spotter Arms will not break under normal use, and protects against defects in material, function and workmanship.

Customer Reviews
4.9 Based on 21 Reviews
5 ★
4 ★
3 ★
2 ★
1 ★
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David W.

Spotter arms.

Really nice and improved. I have set up arms front and back of my yoke and use it as 2 stations sometimes. The new arms have holes for band pegs. Not used yet but nice to have.

  • My Fitness Goal Is: I have the powaaaaa!

Bells of Steel

Hey David, Thank you for the review! Enjoy all the POOOWWAAA! Yours in strength, William & the BOS crew

Kenneth S.

Spotter arm attachment

So far they are great. They are made very strong, and will more than likely last forever. Since I’ve gotten them it is easier to get out of my head and lift much heavier.

  • My Fitness Goal Is: Loose some weight. And stay strong doing it.

Bells of Steel

Hey Kenneth, Thank you for the review! Enjoy the gainz! Yours in strength, William & the BOS crew

David S.

Spotter arms

They’re massive. They can hold more than I bench. No complaints.

  • My Fitness Goal Is: 🙂

Bells of Steel

Glad to hear you love the spotter arms. They really are super sturdy to help you feel safe when benching! Enjoy the gains, Erica and the B.o.S Crew!


Great Addition

As with everything else form BoS, the spotter arms are built TOUGH. Great product and even better customer service.

  • My Fitness Goal Is: Strength

Bells of Steel

Thanks for the 5 Star Review! Glad you are enjoying your new spotter arm attachment! The spotter arms are great for safety and for keeping your barbell scratch free.Happy lifting! Brandon and the B.o.S. Team

A Bells of Steel Customer
Matthew R.

They work

I like them, my wife loves them and already attributes them to saving her. My only "issues" come with how they interact with other components. - They can only be installed so low, at which point they conflict with the support for the rack - I wish I could put them a few inches lower. - They conflict with the plate holder when it's installed low on the rack - and because the plate holder is perfectly orthogonal to the bar (doesn't angle up), I'm hesitant to position it much higher off the ground afraid that plates might fall when kids are near.

  • My Fitness Goal Is: Maintenance