brass,aluminum door cylinder of door lock length: 60mm,70mm ... 16.5*9.5mm Surface:GP,NP,CP,AB brass,aluminum door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron ... can do 5 or 6 pcs hoodles by customers' requirement) Knob: Peanut button, sector button, rhombus button, oval button ... bronzeRCround cylinderACantique copperHPhalf picks cylinder OCoval cylinder brass,aluminum door cylinder of door lock