Chain Handcuff The handcuff is made of stainless steel with a metal chain. Nickel plating is used on the clamps. Does not tarnish or rust. Security is kept at a high level with its lockable structure. The product includes one handcuff and 2 keys. The width can be adjusted according to the wrist. This handcuff is a product suitable for private security guards, gendarmerie, police and soldiers. There is no legal obstacle to accepting a civilian citizen.