... .5*16.5*9.5mm Surface:GP,NP,CP,AB high security door cylinderMaterial: Brass, Zinc Alloy, Iron, Al, etc.Length: 40mm ... can do 5 or 6 pcs hoodles by customers' requirement) Knob: Peanut button, sector button, rhombus button, oval button ans so ... platedSBsingle bias cylinderABantique bronzeRCround cylinderACantique copperHPhalf picks cylinder OCoval cylinder high security door cylinder