The Zak Tool #13 handcuff key is constructed of an aluminum body and a heat treated stainless steel bit & pocket clip. This handcuff key is made in the USA and will open standard Smith & Wesson, Peerless, ASP, Hiatt, CTS, Chicago handcuffs and more. The aluminum body is strong yet lightweight; knurling provides a textured surface for an easy grip. Long handcuff key is 4 1/8” and has a lifetime warranty.