DescriptionThe professional and practical spring collars for dumbbell bars, which are made of steel, will not easy to rust, offers a superior grip to securely hold weight plates in place. plastic material handle helps you assemble and disassemble easily.Features-Material: Steel, Plastic.- The spring buckles are here to help you prevent weight plates from sliding off the bar during weightlifting. - Compact size, convenient for you to use with dumbbell and barbell, simply squeeze it, you can replace the weight plate. - Good steel material, durable and not easy to deform, rust and corrosion resistant, our barbell buckle with repectable quality. - They will fit all standard 25mm barbell or dumbbell bars, plastic handle allows comfortable grip and easy to operate. - Simple but effective, aims to provide a strong grip holding your weight plates in place on barbell.