e-smart home AHYUAN 2" Olympic Barbell Collar ABS Locking Pair of 2 Pro Olympic Bar Barbell Clip Lock Collars Workout Professional Collar Clips for Squat Weightlifting Fitness Training MATERIAL: nylon/steel/rubber, manufactured from high-strength nylon using casting and high-pressure processing. The simple clamp locks securely into place. This barbell clamp fits for 2 inches Olympic standard size.Perfect for crossfit workouts,Olympic lifts,overhead press,deadlifts,bench press,or any other workout using 2 inches Olympic Barbell. Easy to use, one hand install , You no longer need to waste lots of time annoying yourself with unwieldy spring collars when changing the working weight. Training sessions will become much more pleasant. Spring powered Snap-Latch design to keep you safe.These collars are a favorite for crossfit and many other commercial gyms. Package Include: 2 * Barbell Clamp