... others can choose Surface: Many finish Single Open Cylinder LockMaterial: Brass, Zinc Alloy, Iron, Al, ... -groove key (normal key)Computer keyEuro Lock Cylinder, Euro Cylinder Lock---- Surface finishing :Gold plated, chrome ... can as customer’s design euro lock cylinder surface treatmentCodeProductCodeProductSCsingle cylinderNBnickel brushDCdouble cylinderNPnickel platedBCbathroom cylinderBPbrass ...