What you will get: This package contains a total of 2 non-slip barbell clamps, which are suitable for daily use and replacement. They can effectively protect your weight and enable you to move fully and safely.Safety lock: The dumbbell lock has a built-in rubber buffer ring that does not slip and damage the barbell, which affects your safety.Robust material: Our barbell collar is made of high quality ABS plastic, which is strong and durable, not easy to break and has a long lifespan, the barbell collar clips fit 50mm dumbbells that fit the right size and provide good protection for Bid your barbell.Quick release and locking: Dumbbell Collar Clamp Press the button to quickly open and close. Once closed, it won't fall off. It only opens with finger pressure.Widespread: Dumbbell fastener is very suitable for sports, weight lifting, bench press, pushing and other sports. It can be used in homes, gyms, and outdoor lighting activities.