Euro double cylinders offset for mortice locks.
The particular brand I have in stock are the WKS, which I found to be very reliable when I ran Fitting Services and actually went out in a van a physically replaced lock cylinders.
Suitable euro double replacement cylinder for most brands including Union, Yale, Chubb etc.
There are many sizes in the range of Euro double lock cylinders.
The schematics below show actual measurements and range from 70 to 85mm total length.
70mm – 30/40mm
75mm – 30/45mm
80mm – 30/50mm
85mm – 30/55mm
This product includes free access to the Replacing a Euro and Oval Profile Lock Cylinder for 30 days.