Overkill Nut

Name: Overkill Nut
Brand: FrogFits
Rating: 4.67 (3 reviews)

FrogFits’ Overkill Nut is a two-piece knurled plastic cover that snaps over a rack’s steel nut or bolt hardware, replacing a stock wing nut or bare hex nut with something you can grip and turn entirely by hand. All six sides of the hexagon are knurled, plus four extra knurled holes for grip from any angle, and it comes in 14 colors so you can match or accent your rack. GymRadar owners and the manufacturer’s own buyers both call out how much easier it is to hand-tighten eye bolts and cable-attachment hardware with it than with the factory wing nut, though one reviewer notes the plastic shell can crack along its seam if dropped.

It’s sold in kits of 1, 2, 4, or a 32-piece “Rack Pack,” and fits four thread sizes — M24-3, 1”-8, M16-2.00, and 5/8”-11 — covering most common rack and attachment hardware. It’s a small, inexpensive upgrade rather than a structural part: budget for it as a cosmetic/convenience accessory, not a load-bearing component.

Colors	Black, White, Red, Yellow, Lime, Lake Blue, Purple, Pink, Orange, Olive, Gray, Blue, Neon Green, Dark Red
Origin	Made in the USA
Weight	~142g per unit
Material	Two plastic pieces over a steel nut, fastened with black stainless screws and locknuts
Kit options	1-pc, 2-pcs, 4-pcs, 32-pcs (Rack Pack)
Manufacturer	FrogFits
Thread compatibility	M24-3 (zinc-plated steel), 1"-8 (zinc-plated steel), M16-2.00 (stainless steel), 5/8"-11 (stainless steel)

What is a Rack Attachment?

What rack attachments are

Rack attachments bolt or pin onto a power rack or squat stand to expand what it can do — J-cups and safety arms/straps (the essentials), plus dip bars, a landmine, a lat pulldown, weight-plate storage, roller J-cups, and more. They turn a rack into a whole gym.

Compatibility comes first

An attachment must match your rack’s upright size (2x2, 2x3, or 3x3) and hole pattern/hardware (e.g. 5/8-in vs 1-in holes, Westside spacing). Attachments are usually series-specific — a Monster Lite J-cup won’t fit an Echo upright — so confirm the fit before buying.

How it compares

	Overkill Nut	Monster Landmine 2.0	Multi-Grip Pull Up Bar	Monster Lite Strap Safety System 2.0
GymRadar rating	4.67/5	4.67/5	4.67/5	4.67/5
Price	$14.99	$165.00	$149.00
Colors	Black, White, Red, Yellow, Lime, Lake Blue, Purple, Pink, Orange, Olive, Gray, Blue, Neon Green, Dark Red
Origin	Made in the USA	Made in USA
Weight	~142g per unit	11.56 lb
Material	Two plastic pieces over a steel nut, fastened with black stainless screws and locknuts		Steel
Kit options	1-pc, 2-pcs, 4-pcs, 32-pcs (Rack Pack)
Manufacturer	FrogFits	Rogue Fitness	FringeSport
Thread compatibility	M24-3 (zinc-plated steel), 1"-8 (zinc-plated steel), M16-2.00 (stainless steel), 5/8"-11 (stainless steel)

4.7/5 · 3 GymRadar reviews

Reviews by source

Expert

4.67/5

3 reviews

FrogFits’ Overkill Nut is a knurled plastic cover for a rack’s eye-bolt/hardware nuts, letting you hand-tighten and loosen bolts without a wrench while adding a splash of color to the rig. Its standout dimension is functionality: three independent GymRadar owners and the manufacturer’s own buyers consistently praise how easy it is to grip and turn by hand, and reviewers specifically use it to swap out “crappy” factory wing nuts on eye bolts and leg-roller hardware. Its weakest dimension is durability — one GymRadar reviewer flags that the two-piece plastic shell has a seam and “cracks if you drop it,” a real tradeoff for a part that’s meant to be handled often. It’s a low-cost, low-risk accessory rather than a structural component, so treat the mixed durability note as a minor caveat, not a dealbreaker.

+Functionality: knurled hexagon lets bolts be hand-tightened/loosened without tools, replacing a rack's factory wing nut (GymRadar reviewer Big John; FrogFits site)
+Functionality: "so much smoother, easier, and faster than the included crappy wing nut" on main rack bolts (FrogFits on-site review, Zackman)
+Build quality: snug two-piece plastic shell fastened over the nut with stainless screws and locknuts holds up to normal use — one owner called it "well made" (GymRadar reviewer Big John)
+Versatility: available across 4 thread sizes (M24-3, 1"-8, M16-2.00, 5/8"-11) and 14 colors, so it fits a range of racks and lets buyers color-match their setup (frogfits.com product page)

−Durability: two-piece plastic shell has a seam and "cracks if you drop it" (GymRadar reviewer pxl)
−Value: a $13.99-$14.99 cosmetic/convenience accessory for a single nut, with a 32-piece rack pack running $169.99 (frogfits.com product page)
−Functionality: little-to-no independent coverage beyond GymRadar's 3 reviews and the manufacturer's own review widget — no expert/editorial review found

$14.99

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