TRIMJIG Margin Marker 0-25mm

Info

The Margin Marker is an adjustable marking corner square. It can be set from 0 to 25mm with even margins along two edges 

It can be used to mark along straight edges and internal corners. It is ideally suited to marking architraves, but it’s also perfect for a number of marking applications.
The margins can be set using the clearly visible?scale to quickly and consistently replicate different measurements.
The Margin Marker also fits easily into a pocket or tool pouch.
Ideal for trimming doors and windows.