7" Johnson - Johnny Square

Product Description:

7 inch aluminum rafter square. Features a solid aluminum cast body with exclusive CNC machined edges, permanent molded gradations, and a low-glare, protective powder coat finish. The thick edge is useful as a saw guide with continuous scribing notches. Ideal for ripping at 3- 1/2 inches and 5- 1/2 inches. Can also be used as a ruler or can be used to measure angles. The diagonal edge has markings for laying out rafters, roof trim, and stair angles.