Good practicalityThe dumbbell clips are simple and effective, ensuring that the bumper and plate are held in the correct position on the dumbbell, with strong grip. Suitable forDoes not slip during exercise. Dumbbell clips are very suitable for home exercise, push-ups, fitness, bench. Convenient to useThese spring-loaded clips provide a comfortable grip and simply slide in and out. out of the barbell. Reliable to UseThese spring collar clips are not easy to rust, durable, easy to assemble and disassemble, easy to exercise. You can buy and use with confidence. Unique DesignBar clamps, unique chrome protective surface and double ring steel design can fix the bumper in place. Feature: 1. Provides a comfortable grip and simply slides in and out of the barbell. 2. The unique protective chrome surface and double ring steel design secures the bumper in place. 3. Does not slip during exercise. Very suitable for home exercise, push-ups, fitness, bench. 4. Simple and effective, ensuring the bumper and plate are held in the correct position on the bar, with a strong grip. 5. Hard to rust, durable, easy to assemble and disassemble, easy to exercise. Spec: Item Type: Dumbbell Spring Lock Material: Metal Plating + Plastic Handle Color: As Picture Handle Length: Approx. 40mm/1.6inch Optional Size (Inner Diameter): Approx. 28mm/1.1in, 30mm/1.2in, 50mm/2in 28mm and 30mm type length: approx. 85mm/3.3inch 50mm Typical Length: Approx. 115mm/4.5inch Package List: 4 x Dumbbell Spring Lock