Application: We do OEM Production for those hardware locks etc. Applicableï¼?60-100mm size cylinder for doors etc. Product Description: MateriaZinc Alloy+Iron Available length60-70-80-90-100mm TypeCylinder/door lock/key-knob/door & gate lock Lock CylinderBrass cylinder Cylinder caseBrass FinishAs requirement Keys3pcs Normal keys BacksetAdjustable OEM/ODMOk PackagingAs requirement Please be noted that all the products could be customized according to customers requirements.