Cylinder,brass cylinder,mortise lock cylinder Key Design: Arrow Kwikset, Schlage C,Sega19,Weiser,Yale 8, Computerized Key Cylinder,brass cylinder,mortise lock cylinderKey Design: Arrow Kwikset, Schlage C,Sega19,Weiser,Yale 8, Computerized KeyCylinder: Single, Double & Bathroom Cylinder are availableCylinder Construction: Construction key, Common keyRemark: 6 pins, 5pins