... 4.Spring in stainless steel and pins in brass Brass Door Lock Cylinder Material: Brass, Zinc Alloy, Iron, Al, etc.Length: 40 ... Surface finishing :Gold plated, chrome plated,nickel plated, polished brass,satin nickel, satin chrome, antique bronze platedantique copper platedPcs/ ... : 30 CTNSDelivery time : 20~35days. if our factory is not busy, 15~25daysPacking: gift packing or blister packing, also can ...