[Strong and durable material]: The dumbbell clip is made of high quality materials, ABS plastic and steel. Sturdy construction is not easy to break and deform, can firmly support your bar. [Safe and Secure Grip]: Spring collars clip provides superior grip to securely hold the plates in place, strong enough to hold heavier weights for a more efficient and safer workout routine. [Easy to Use]: Only press the rubber grips gently, you can easily slide in and out of the barbell ring. It can be easily operated with one hand, open and close with one push, help you put on and take off easily to change weight. [Safe for Exercising]: This spring-loaded clip clamps the plates tightly on the bar, prevents the plate weights from slipping off the bar. Make sure to stay safe while performing snatches, squats, and various presses. [What You Can Get]: The package comes with 4 spring clips to meet your needs.