The Key-Cuff is the first reusable nylon restraint and has been used all over the world by professionals since 1996. It will significantly reduce the cost of using disposable restraints. The single Key-Cuff provides a stiffer restraint. Ideal for use in: . Law enforcement Agencies . Police Departments . Correctional Facilities . Jails & Prisons Features: - Releases with handcuff keys - Adjustable - Reusable - Low cost, affordable - Strong and lightweight - Environmentally friendly - Designed by security experts