Doorking Cylinder with Keys All Openers,Keypad,Telephone Entry System Manufacture After 1997: Gate Openers: 6050, 6100, 6002, 6300, 6004, 6400, 9050,9100,9150, 9310,1601,1602 -- Keypads: 1503, 1506, 1504, Telephone Entry: 1812,1810,1803,1808,1802,1833,1834,1837,DKS DoorKing 4001-035 LockN16058BDxSFx2K Key 16120