How to measure a window locking mechainsm backset espag - backset dimension diagram
How to measure the backset on a window locking espag mechanism.
The back set dimension on a window locking mechanism.
Measuring your Espag … Measure the distance between the front of the faceplate (including the faceplate) and the centre of the spindle, this should be measured in mm
The image here illustrates where you should be measuring to and from to obtain the correct measurement.