Barbell clamps: we provide you with several size options, please check carefully the size details of your equipment before choosing; Note: our products are not suitable for threaded bar and 2 inches bar Quick release clamp collar: barbell collar clips designed with fast release and locking actions, easily for you to open and close with one finger, the installation can be finished in a very short time, very convenient and wont slide during using Enough quantity: you will receive 6 pieces non-slip locking plates collars clips in this package, enough to meet your daily use and replacement needs, effectively secure weights, allowing you to enjoy your exercise with confidence Durable to use: the barbell weight clamp is made of quality ABS material, sturdy and durable, not easy to break; The diameter of each collar clip is approx. 1 inch 25 mm, proper size fits easily and provides a good protection for your barbell Multifunction: the fast release barbell collar clips are suitable for workouts, overhead press, weightlifting and other sports, widely applied for home, gym and more outdoor activities, help to reduce damage to your plates or bars