Rapture 5 Piece Stainless Steel Restraint Set with locking Neck collar, Wrist cuffs and ankle shackles. The wrist cuffs and ankle shackles are oval shaped for easy fit. The collar closes with a flush mounted allen screw. The wrist and ankle pieces close with a lock and hasp. 5 common keyed padlocks are included. All pieces are attached to polished connecting chain. Each piece may be removed and used separately. Polished Stainless Steel Finish. 5 piece bondage set. Use the pieces together or independently. Attaching chain included. The maximal oval inside diameter of the wrist cuffs is 2.25 inches. The maximal oval inside diameter of the ankle shackles is 3.1 inches. The neck circumference is 15.5 inches or diameter of 4.75 inches. The collar thickness is 0.44 inch. Weight: 4.62lb.