Model 300 Hinged HandcuffsThe Smith & Wesson Model 300 hinged handcuffs features a satin nickel steel finish, and they are fabricated from the highest quality carbon steel. The standard in law enforcement cuffs, these hinge style handcuffs restrict the wrists better than standard chain style cuffs with a unique double hinge design and a double lock engaging pin for increased security. Made for swift cuffing, these cuffs offer 23 locking positions with a smooth ratchet action