I noticed this Double Square set on the Highland Woodworking site:
https://www.highlandwoodworking.com/precisiondoublesquareset.aspx
What caught my eye was the head of the 6 inch Double Square is proportionally larger than the head of the 4 inch Double Square. On my PEC and Lee Valley set...
Picked up one of these from Hartville Tool this week ($15 with free shipping) and had a chance to play around with it a bit today. It is designed for measuring the depth of dadoes, rabbets. It measures in metric and inches with an optional fractional display mode (shown):
It comes with 1" and...