brass,aluminum door cylinder of door lock length: 60mm,70mm,80mm, ... 9.5mm Surface:GP,NP,CP,AB brass,aluminum door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron, Al, etc. ... finishing :Gold plated, chrome plated,nickel plated, polished brass,satin nickel, satin chrome, antique bronze platedantique copper ... copperHPhalf picks cylinder OCoval cylinder brass,aluminum door cylinder of door lock