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 and I describe those on this page as medium and they range from 85 to 90mm total length.
The schematics below show actual measurements
85mm – 35/50mm
90mm – 35/55mm
90mm – 35/60mm
95mm – 40/45mm
90mm – 40/50mm
This product includes free access to the Replacing a Euro and Oval Profile Lock Cylinder for 30 days.