Key bak super 48 self-retracting reel with belt clip. Case fabricated from durable polycarbonate material. Tough Kevlar cord 48" in length for a quite, smooth extension. Patented ball-joint feature locks into place to allow you to hold more keys securely. Innovative convertible back attachment for added versatility and security. Heavy duty has a reach of 48" and retraction force of 8-10oz. Can carry up to 15 keys. Oversized 11/4" black split-ring. Proudly designed and manufacturer in America to the highest standards. Backed by lifetime service policy. U.s. And foreign patents apply.