SAMS Heavy Duty Securit Retractable Key Chain Reel with Polycarbonate Case, Aluminum Carabiner, Split Ring and Carabiner, 24 inch Steel Cable Heavy Duty Reel, 1 3/5" Diameter Cord Length: 600mm, 24" Stainless steel spring, tested to 1,000,000 pulls Gear mechanism rewinds cable automatically Great way to keep ID badges, used small fishing tools, cutters handy, nippers