Usage Tips:Sturdy and easy to use, prevent your barbell clip clamps on dumbbell from slipping. Plastic material handle, environmently friendly and safe to use. Spring collars are easy and quick way to move your weight plates around, also keep the plates securely. A good gift for your friend and family,let them exercise regularly to improve their physical fitness. Package include: There are 6 pack of barbell clip clamps in package,for 1in(25mm)bars only.With these barbell clip clamps, you can often exercise no matter indoors or outdoors to increase body strength. Good material: has refined workmanship,the handle is very soft and smooth, it be more comfortable when holding the handle with your hand. Simple operation: Each barbell spring collars with a smooth, plastic handle,it is simple and easy to use. And easily to slip on and off the weight bar with a simple squeeze,effortless. Suitable situations: These spring dumbbell collars are suitable for anyone who uses gym equipment to build muscle, such as bench presses, overhead presses,whether you are a professional athlete or a beginner can use it. Works great: These barbell circlips are more resilient than at other gym, which makes it easier for quick application to the barbell and removal,and they not easy slide off when you tilted the dumbbell. Colour: black + silver Material: metal + ABS Size: 25mm Package Contents: 6 * barbell clip clamps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.