Rapture Stainless Steel Wrist Cuffs. Heavy duty stainless steel wrist cuffs. An integrated allen screw locks the cuffs in place. Comes with a detachable polished connecting link. The Cuff inside diameter 2.33 inches (6cm). Heavy Polished stainless steel. Included detachable polished connecting link. Integrated allen key screw lock. Weight: 2.8lb (1.3kg).