... *16.5*9.5mm Surface:GP,NP,CP,AB brass,aluminum door cylinder of door lockMaterial: Brass, Zinc Alloy, Iron, Al ... ,satin nickel, satin chrome, antique bronze platedantique copper platedPcs/ CTN: 120 PCSMOQ: 30 CTNSDelivery time : 20~35days. if our factory is ... bias cylinderABantique bronzeRCround cylinderACantique copperHPhalf picks cylinder OCoval cylinder brass,aluminum door cylinder of door lock