The Streetwise Nickel Plated Solid Steel Handcuffs are built to keep you safe when you need them most. Popular among security guards and police, the nickel plated solid steel provides extra durability and reinforcement. These durable steel handcuffs feature a double locking mechanism to guard against tampering. The pushpin locks the cuffs in place and prevents over tightening. Two keys are included so you never have worry about misplacing your key because you have a spare! Covered under a year warranty.