1. Cylinder Lock 2. Material: Brass/Zinc/Aluminum 3. Finish: PB/SN/CP 4. Double open or ... steel,Alloy,Zinc alloy,Aluminum.2.Lock cylinder length(mm):30,40,50,60,70 ... 4.Used in general lockset, say residents, public area..5.Finish:PB,GP,AC,AB,SN,NP,CP ect. high quality brass cylinder, profile cylinder ... , Euro profile cylinder, lock cylinder