Gear Stock Handcuffs are made from tough carbon steel and provide professional-grade durability and rigidity. Equipped with a double lock system, they are extremely difficult to break open without a key. These handcuffs are ideal for police, law enforcement, and home security. The package includes two keys for the universal lock. -Tough Carbon Steel Construction -Chain Linked Hand Cuffs -Double Lock Mechanism -Ideal for Police and Law Enforcement Officers