brass,aluminum door cylinder of door lock length: 60mm,70mm,80mm,90mm euro:33*17*10,32.5*16.5*9.5mm Surface:GP,NP,CP,AB brass,aluminum door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron, Al, etc.Length: 40mm,50mm,60mm,70mm,80mm,83mm,90mm Cam : sintered steel ( very hardened ) Key : iron key or brass key ( 3pcs /set , 5pcs /set ) Lock core: brass or zinc Sealed bead: brass and iron ( we ...