25mm/28mm/30mm Barbell Clamps Quick Release Bar Clips Locking Weight Clips Safety Weight Clips Features: Made of reinforced plastic, solid and durable, long service life.  Built-in elastic rubber increase friction and prevent slipping.  Easy e, one click lock design for easy install and remove.  Snap-latch design to keep you safe, more reliable and safer.  Lightweight and compact size, convenient to carry and store.  Perfect for fitness training, strength training, weightlifting etc.  Specifications: Material: Plastic  Number: 1pc/2pcs (optional) Size: 25mm/28mm/30mm (optional) Item Size: 5.7 * 5.7 * 3.3cm / 2.2 * 2.2 * 1.3in  Item Weight: 50g / 1.8oz  100g / 3.5oz  Package List: 2 * Barbell Clamps