The Fury Tactical Chain Double Lock Handcuffs from Joy Enterprises are built to meet and or exceed Military Specification, Carbon Steel and includes Two Universal Cuff Keys. Designed for Professional Use for Security Professionals around the World. We even make sure that every pair is individually wrapped and packaged in order to get you the best product. Fury Handcuffs have become the leading cuff used in the Americas. Lifetime Warranty on all products.