Smith& Wesson’s most popular handcuffs are fabricated from the finestquality carbon steel for strength and nickel-plated for corrosion andwear-resistance. The S&W Model 100 restraints are manufacturedwith heat-treated internal lockworks, featuring smooth ratchets forswift cuffing and double locks to prevent tampering. These handcuffsmeet or exceed the US Nation Institute of Justice Restraint Standardsand are standard police equipment for many law enforcementagencies. Itemmay not be identical to the picture. Featuresand Specifications: Chain-LinkedHandcuffs Material:Carbon Steel Finish:Nickel 23 Locking Positions Heat-Treated Internal Locks SmoothRatchets For Quick Cuffing Double Locks Prevent Tampering Length:8.98″ LinkDistance Between Cuffs:2″ WristOpening:2.04″ TightestInside Width:1.80″ Weight:10 oz UPC: 022188501032 Meets NIJ Standards