Material: 1)Handle :Zinc alloy, Alumina, ect 2)Cylinder: brass, steel, aluminum, zinc alloy Finish: 1)Handle: natural, Applied for 40-55mm thickness of inner doorMaterial:1) Handle :Zinc alloy, Alumina, ect2) Cylinder: brass, steel, aluminum, zinc alloyFinish:1) Handle: natural, black, golden, champagne, etc2)Cylinder:AB, AC, BN, CP, NB, NP, PB, etc