FrontTech Barbell Collars, Quick Release Non-Slip Barbell Clamp Collars for 1-Inch or 2-Inch Diameter Size Olympic Bars…
$14.99Non-slip and Safer: compare to the metal collar, it is more stable and non-slip; it has spring powered snap-latch design to keep you safe so you can focus on your gym workout
Easy to Use: quick release, it takes less then 5 seconds to install
Superior Durability: it’s made of ABS and rubber pressure pads inside