YSTD&reg; Retractable Metal Card Badge Holder Steel Recoil Ring Pull Belt Clip Key Chain Great for holding ID cards, keys, and many more. Ideal for security passes, keys and small tools. Material: Stainless steel and steel wire Reel Diameter: 4cm x 4cm/1.56'' x 1.56''(appprox) Rope length: 68cm/ 26.52''(approx)