8PCS 25mm Barbell Bar Clamp Spring Collar Clips Gym Weight Dumbbell Lock Lift AUFeature: 1. High quality materials: These spring clips are made of high quality Metal and ABS plastic handles, which are strong and durable, not easy to break, and have a long service life. 2. Easy to hold and use: the handle is soft and smooth, and it is comfortable to hold. Gently press down on the barbell clip on the training equipment, then loosen it, and hold your barbell tightly. 3. Suitable for 25mm holes: Our dumbbell collar is designed for