The Pittsburgh 12-Inch Combination Square Set is available for just $7.99 and includes additional center and protractor heads.

A basic combination square has three main parts: a handle to measures angles, a metal ruler, and a thumb screw to lock the ruler in place. When taking a measurement, the ruler slides through the ...

Mauro restores a bulkhead; Tom talks combination squares; Mark repairs granite stairs. Mauro Henrique transforms a rusty bulkhead to look new with some paint and sanding; Tom Silva explains what ...

A speed square can do both of these tasks as well, but a combination square beats a speed square in its ability to mark depths, heights, and step-offs. The ruler can be adjusted on the slide to a ...