... AL, iron, zinc alloy 2 different surface finished 3 60mm,70mm aluminium shell zinc inside cylinder lock Material: Brass, Zinc Alloy, Iron, Al, ... cylinderNBnickel brushDCdouble cylinderNPnickel platedBCbathroom cylinderBPbrass polishingHChalf cylinderPCpure copperHHhalf handle cylinderSNsatin nickeDBdouble bias cylinderCPchrome platedSBsingle bias cylinderABantique bronzeRCround ...