DerBlue 1 Pairs Black 1'' Diameter Barbell Clamps Locking Collars Clamp For 1 Inch Barbells Material:ABS This barbell clamp fits for 1 inch fitness equipment weightlifting dumbbell barbells size. Perfect for crossfit workouts,overhead press,deadlifts,bench press,or any other workout using 1 inch barbell. Fast locking and release,not easy to slide. Package Include: One pair of barbell clamp