1Plastic safe lock collars clip, 50mm inner diameter, use for 2in diameter pole. 2Raised lock securely clamps the collar to the rod. Fixed the plates tight onto the barbell to keep the plates from moving around. 3The two-layer rubber design will not damage the chroming layer, and also effectively prevents the barbell plate from sliding. 4Easy to use, one-hand installation and removal, quick release, installation in less than 5 seconds. Spring fastener design ensures your safety. 53 different colors for you to choose, meet your different needs.
