Johnson Level comes up with the 7” Johnny Square Professional Aluminum Rafter Square that gives accurate calculations on layout work for many construction projects. Rafter Square also is known as speed square speed the job of a rafter or angle layout. It is used to find any angle from 0 degrees to 180 degrees on projects such as carvings, picture framing, furniture, room dividers, shadow boxes, "cut-outs", routings and more.
It features a solid aluminum body with low-glare and protective powder coated finish. It comes with a CNC machined edges for greater accuracy and durability. The continuous scribing notches are ideal for ripping at 3-1/2" and 5-1/2" and the laser etched graduations and numbers are highly visible. The 7” Johnny Square Professional Aluminum Rafter Square thick edge makes an excellent guide for a saw to run against. It comes with rafter tables, instruction manual, and a 1-year warranty.