... *9.5mm Surface:GP,NP,CP,AB brass,aluminum door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron, Al, etc.Length: ... ) Key : iron key or brass key ( 3pcs /set , 5pcs /set ) Lock core: brass or zinc Sealed bead: brass and iron ( we can do ... parts Surface finishing :Gold plated, chrome plated,nickel plated, polished brass,satin nickel, satin chrome, antique bronze platedantique copper platedPcs/ CTN ...