Midwest Products Hobby And Craft Square - Midwest Products
: from $ 4.65 USD
The one tool for almost any building project! It features a 4" ruler with English and metric scales, (6" ruler on the large square), a 90° square for perpendicular assemblies, strip identification gauge, dowel tubing identification gauge, and stop rail.
It also has a built-in protractor in 5° increments.