Dreapark 2" Olympic Barbell Clamp Locking Collars with Quick Release (1 Pair) Perfect for crossfit workouts,Olympic lifts,overhead press,deadlifts,bench press,or any other workout using 2 inches Olympic Barbell. Designed for all types of resistance training from circuits and drop-setting, to bodybuilding and power lifting. Spring powered Snap-Latch and quick-release design allows you to change weights quickly during a circuit training workout The barbell clamp is manufactured for superior durability using tough ABS plastic and industrial-strength rubber. Satisfaction Guaranteed: If you're unsatisfied with our 2 inch olympic barbell clamp, feel free to contact us or amazon service.