Many carpenters say that the protractor is very useful, so I bought it, but now I don't know how to use it. I'll learn if you're interested in carpentry, you need a protractor
Pros
4. Wide Applications: The miter saw protractor guide can do applications such as outside angle measurement, inside angle measurement and elevation angle measurement. It is suitable for woodworking, metalworking and single protractors. Cutting, mitering, crown, pipe and other carpentry work.