... ,BP,etc 5.Used:bedroom,public area,etc Brass computer keySpecifications:(1) Material: brass, zinc alloy ,aluminum alloy, etc.(2) Different ... areas and etccylinder typesurface treatmentCodeProductCodeProductSCsingle cylinderNBnickel brushDCdouble cylinderNPnickel platedBCbathroom cylinderBP brass polishingHC half cylinderPCpure copperHHhalf handle cylinderSNsatin nickeDBdouble bias cylinderCPchrome ...