Dumbbell Locking Clip Kit: Package contains 2pcs spring collar clips and 2pcs dumbbell clamps, a nice dumbbell locking clip kit to meet your bodybuilding and other fitness needs at home Durable and practical: the barbell collars are made of quality steel and the barbell spring clips are made of steel with rubber handle, which are durable and practical to use, not easy to fray and deform, can firmly support your dumbbell, make them long-lasting Reliable grip: These dumbbell collars and dumbbell lock clips provide strong grip to hold the bumpers in place, provide firm and tight support for your weight bars and enable a safe and reliable workout, keeping you safe during exercise Easy to apply: These barbell gym equipment are easy to apply, which can change the weight of the plate and increase the friction with the bar, not easy to slip, helping you improve your balance, coordination and flexibility Useful tools: these clip collars Dumbbell spring can be applied as dumbbell gym equipment accessories for daily training, exercise, bodybuilding, weightlifting, etc., useful tools for your fitness >Welcome to meet