ISOGYM Spring Barbell Collars 50mm (Pair) Silver Chrome Clips Clamps Suitable for 2 Inch Diameter Olympic Barbells Bars and Dumbbells Tight Grip Fit ...
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Olympic Barbell Collars 2 inch - 50mm Spring Bar Clamps Weight Lifting - Green | eBay
Standard Barbell Collars 50mm, 2 inch Red or Black