Product Description Size: diameter 30mmwire diameter 4mm3circle Color: silver coil, black handle Material: spring steel nickel plated Package content: 1 pair of spring buckles 1. High quality material: These spring clips are made of ABS and high quality steel, are sturdy and durable, refined and processed. The rubber handles allow for a convenient and easy-to-remove procedure. 2. Safe exercise: With the comfortable rubber handles that are easy to install and detach and can also be operated by women with one hand. These barbell collars won't slip during exercise and are super safe to use. 3.secure grip:The spring-loaded snap latch offers a superior grip to securely hold plates in place, allowing for a safer workout. Add the clips to barbells or free weights and safely perform snatches, squats, deadlifts, and various presses. 4.Intended Use: Suitable for use at home, in several and all commercial fitness equipment, for men and women who do strength training frequently. Improve your balance, coordination and flexibility. 5.Great for home:This gears compact structure makes it a perfect companion to go with the rest of your home gym equipment. It enables fast weight plate changes and can be used for different plates, including steel, urethane, or rubber-coated plates.