Now, 100 years later, you can still use this multitasking wonder as a scribing tool, a protractor, a miter square, a try square, or even a saw guide. It makes easy work of everything from building ...

And that's just scratching the surface of the tool. Who knew you had a protractor in your toolbox all along? The carpenter's square is all about the angles. It is probably most-used as a layout ...