Lost or broken handcuff keys can create civil liabilities that are best avoided. The ASP AutoKey is made from heat-treated stainless-steel that can stand up to the rigors of daily use. A unique BackSet. design makes locating your AutoKey quick and easy, while push-button switchblade action delivers lightning-fast deployment. Ergonomic and compact, this handcuff key can be attached to a keyring, lanyard, or belt so it's always ready to go whenever and wherever you need it.