Sumind 4 Pieces 2 Inch Dumbbell Spring Collars Barbell Clamps Locking Collars Clips for Weightlifting Exercise Fitness Training Supplies (Silver)

Reliable Material: the dumbbell spring collars are made of steel material, which is sturdy and durable enough, not easy to get rust or break, can provide you a firm support and grip for your barbell, help to hold bumpers in place
Functions: our locking collars clips are designed to protect plate weights from sliding off the bar, allowing you to exercise safely and confidently, very suitable for both men and women who love frequent fitness and training
About size: each barbell clamp is about 174 g in weight and the hole of each spring collar measures approx. 50 mm/ 2 inches in diameter, please measure your bar diameter of barbell before your choosing and ensure better fit