Swivel Shackles

Name: Swivel Shackles
Brand: Bells of Steel
Rating: 4.79 (11 reviews)

Bells of Steel’s Swivel Shackles are a small cable-machine accessory that clips between a cable end (or a cable attachment) and rotates a full 360°, so the attachment finds its own orientation instead of binding up against a plain carabiner. That rotation also absorbs the twist that single-sided cable work — crossovers, rows, tricep pushdowns — otherwise puts straight into the cable itself, which is the main reason cables need periodic replacement even on commercial-grade machines.

Each stainless/premium-grade shackle is rated for 450kg and uses a spring-loaded clasp with a wide opening that fits thicker grips and specialty bars, including attachments with small magnetic-grip holes. They’re sold in sets of 4 or 8 — buying the larger set lowers the per-unit cost since Bells of Steel ships the set together rather than pricing shipping into each pair the way some Amazon-only sellers do.

Weight	0.7 lb per set
Closure	Spring-loaded clasp, circular ring attachment
Material	Premium-grade stainless steel
Quantity	Set of 4 or set of 8
Dimensions	4.2 in x 3.9 in x 1.4 in (per box)
Weight capacity	450 kg (992 lb) per shackle

What is a Cable Attachment?

What cable attachments are

Cable attachments are the handles and bars that clip to a cable machine, functional trainer, or lat/row station to change the exercise — lat bars, triceps ropes, single-D handles, row/close-grip handles, ankle straps, and more. A small set of them turns one cable stack into dozens of movements.

What to look for

A rotating swivel or ball-bearing joint keeps the cable from twisting and lets the handle track your arm; comfortable, durable grips (knurled metal, rubber, or coated nylon) survive heavy use; and a standard carabiner or snap fits most machines. Match the attachment to the exercises you actually train rather than buying a giant kit you won’t use.

How it compares

	Swivel Shackles	MAG Medium Grip Supine	SWISSIES™	Aluminum Handles Pair with Bearings
GymRadar rating	4.79/5	4.79/5	4.79/5	4.81/5
Price		$64.95	$39.00
Weight	0.7 lb per set		Under 1 lb per pair	1.1 lb / 480 g total (pair)
Closure	Spring-loaded clasp, circular ring attachment
Material	Premium-grade stainless steel	Welded steel with rubber/polymer coating	Nylon-fiberglass composite	Premium aluminum, polished finish
Quantity	Set of 4 or set of 8
Dimensions	4.2 in x 3.9 in x 1.4 in (per box)			5.5" x 4" x 2" (packaged)
Weight capacity	450 kg (992 lb) per shackle

4.8/5 · 11 GymRadar reviews

Reviews by source

Expert	4.79/5	11 reviews
Retailer	4.9/5	50 reviews

Swivel Shackles are a small, cheap fix for a real cable-machine annoyance: the 360° rotation absorbs the twist that single-sided cable work (crossovers, rows, tricep pushdowns) puts into a cable, and it removes the fiddly re-orientation dance that some attachments do on a plain carabiner. Functionality is the clear standout — the mechanism does exactly one job and the demonstrated before/after (carabiner binds up, shackle self-orients) is unambiguous. Durability is the weakest-evidenced dimension: independent long-term wear data doesn’t exist yet for this specific accessory, so the 450kg capacity and “stainless steel” claim are taken on the manufacturer’s word.

+Functionality: eliminates cable twist/binding on single-sided cable work by rotating 360° instead of transferring torque into the cable (Bells of Steel manufacturer demo video)
+Versatility: self-orients regardless of an attachment's clip orientation, so it works across rope handles, bars, and magnetic-grip attachments without the awkward re-clip some carabiners need (manufacturer product page, manufacturer demo video)
+Build quality: rated 450kg capacity in stainless/premium-grade metal with a spring-loaded clasp, and GymRadar's small owner sample rates build quality 4.91/5 (GymRadar aggregate)
+Value: sold in sets of 4 or 8 with per-unit cost dropping at the larger size, cheaper than buying singles that each eat a full shipping charge (manufacturer product page)

−Durability: no independent long-term wear data exists yet — capacity and material claims come from the manufacturer, not from reviewers who have run one for years (knowledge base has no third-party durability testing)
−Value: GymRadar's rating (4.79/5) is a thin sample of 11 owners, and no independent editorial outlet (Garage Gym Reviews, Garage Gym Lab, etc.) has reviewed this accessory specifically (knowledge base coverage)
−Functionality: only helps if you actually install and use it — it's an add-on, not something bundled with a cable machine, so it's one more part to keep track of (manufacturer demo video)