Professional Stainless Steel Handcuffs are constructed of a durable stainless steel frame with 2 keys and a double lock system. The handcuffs are ideal for law enforcement and public safety professionals. Constructed Of A Sturdy 2.5 MM Stainless Steel Frame. Includes 2 Standard Police Cuff Keys. Double Lock Mechanism & Ditched Jaws. Perfect For Public Safety & Law Enforcement Professionals.