YYGIFT Quick Release Pair of Locking 2" Olympic Size Barbell Clamp Collar Great for Pro Crossfit Training This barbell clamp fits for 2 inches Olympic standard size. Quick release, not easy to slide. Perfect for CrossFit workouts, Olympic lifts, overhead press,deadlifts,bench press, or any other workout using 2 inches Olympic barbell. Material: reinforced plastic, abs Package include: 2 barbell clamp