|Veritas mortise/marking gauge and the diagonal measuring tool|
I put one end of each dowel in a pencil sharpener so that they fit tightly into corners. Slipped them into the locking mechanism and turned the thumb screw and it worked great. The two dowel rods stayed where they were supposed to.
|Checking one diagonal|
|And the other|
Sometimes it's the simple things in life that make me giddy. This one did!