1.The weightlifting clamp ring is equipped with a quick release and locking function, which can be easily opened and closed with just one finger. It is easy to install, does not slip during use and reduces the damage causedwith multiple panels.2.Designed for use with all barbells with an inner diameter of 5 cm.Clamp closure, simply slide onto clamp to engage.Quick removal of the bracket with good attachment ability.3.It is suitable for sports, high altitude press, weightlifting and other sports. It is widely used in outdoor activities such as home and gym. It has strong adhesion and can be released easily and quicklyChange weight.Delivery Quantity: 2pcs, Safety Dumbbell Barbell Bar SnapsPackage Contents: Only the above package contents, excluding other products.Size: 50MM(Reminder: The size is measured manually, please allow 1-2 cm measurement error)color: grey(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)