Pro Lock Collars Black or with CHAIN attachment sold in sets.
Do you go to the gym to work out? Or worry about how you are going to hold that weight on to your Equipment (strongman ,barbell)?  The new locking design of the proloc makes it a simple turn and you are on your way to a worry free work out .

Proloc collars are a new and innovative way for weight lifters to secure weights to Olympic bars. (including swiss bar, econo farmers walk, logs, rackable cambered bar, safety squat yoke bars and solid fat bars).

The design allows a strong "lock" for attached equipment, and also assures the weights remain secure during any workout. Proloc collars are made of durable nylon plastic to withstand the abuse of everyday wear and tear.

They include easy on and off knobs that accommodate all users and are available in black and white.

Made in the U S A.
(Click title for color choice and for larger photo)