NEW NEVER OPENED, Powerfeng Olympic 2" Barbell Clamp Anti Slip Collar Quick Release Lock Clip in Blue is a set of one pair of collars designed for Olympic style barbells. Made of durable plastic, these collars provide a secure grip on the barbell to prevent slipping during workouts. The quick release design allows for easy installation and removal, making them convenient for gym and training sessions. Suitable for both men and women, these collars are a must-have accessory for strength training and fitness routines.