Smith & Wesson Handcuffs are fabricated from the finest quality carbon or stainless steel. They are made with heat treated internal lockworks, featuring smooth ratchets for swift cuffing and double locks to prevent tampering. From the original Model 100 series handcuffs to the unmatched durability of their restraint chains and leg irons – Smith & Wesson is a proven worldwide leader in handcuff and restraint production