Cylinder CY503T

For Lockwood 3570 & 3580 series mortice locks, holdback.

Cylinder CY504T
Australian oval cylinder.
Cylinder CY501T
Key-in-knob cylinder.
Cylinder CY505T
Australian oval cylinder.
Cylinder CY502T
Key-in-knob cylinder.
Cylinder CY507T
Australian round cylinder. For the outside of the Lockwood 007