How to Use a Combination Square
A perfect name for a near-perfect tool
Synopsis: Anthony Guidice encourages his students to use a combination square to the exclusion of all other measuring tools, at least at first. In this article, he talks about how you can use a square as a depth gauge, a marking gauge, as a try square, and to calibrate your tablesaw. You can set your router with it, too. He also talks about qualities to look for when shopping for a combination square.
The combination square is the most versatile measuring tool there is. It is so valuable that I have my beginning students use it to the exclusion of all other measuring tools–at first. The tool teaches beginners the concept of accuracy in layouts and measurements. You mark a line and look at it. It isn’t automatically square. Does it look square and straight? If it’s not, you’re the cause, not the tool. For a beginner, using a simple…