Key-in-knob cylinder. For Lockwood 530 and 930 locksets. Available with satin chrome surface treatment.
Cylinder CY503U
Australian oval cylinder. For Lockwood 3570 & 3580 series mortice locks, holdback. Available with satin chrome surface treatment.
Cylinder CY504U
Australian oval cylinder. For Lockwood series 3570, 570, 590, 591, 595, 5900, and 007 mortice locks. Available with multiple different surface treatments.
Cylinder CY501U
Key-in-knob cylinder. For Lockwood 001 deadlatch. Available with satin chrome surface treatment.