Door CylinderMaterial:, Al,Iron,Zinc Alloy length: 40-120mm Keys: Normal or computer Surface: ManyDoor CylinderMaterial: Brass, Zinc Alloy, Iron, Al, etc.Length: 40-120mmCam : sintered steel ( very hardened )Key : iron key or brass key ( 3pcs /set , 5pcs /set )Lock core: brass or zincSealed bead: brass and iron ( we can do 5 or 6 pcs hoodles by customers’requirement)Knob: Peanut button, sector button, rhombus button, oval button ans so on.Door Cylinderkey way:S-groove key (normal key)Computer keySurface finishing :Gold plated, chrome plated,nickel plated, polished brass,satin nickel, satin chrome,antique bronze platedantique copper platedPcs/ CTN: 120 PCSMOQ:10CTNSDelivery time : 20-35days. if our factory is not busy, 15-25daysPacking: gift packing or blister packing, also can as customer’s designeuro Door Cylindersurface treatmentCodeProductCodeProductSCsingle cylinderNBnickel brushDCdouble cylinderNPnickel platedBCbathroom cylinderBPbrass polishingHChalf cylinderPCpure copperHHhalf handle cylinderSNsatin nickeDBdouble bias cylinderCPchrome platedSBsingle bias cylinderABantique bronzeRCround cylinderACantique copperHPhalf picks cylinderOCoval cylinder