• 7 Johnny Square Professional Easy-Read Aluminum Rafter Square • Solid aluminum body with CNC machined edges for greater accuracy and durability • EZ Read permanent graduations and numbers are highly visible • Thick edge is useful as a saw guide • Continuous scribing notches - ideal for ripping at 3-1/2 and 5-1/2 • Low-glare, protective anodized finish • Complete instruction manual included with rafter tables available upon request • 1904-0700 Includes > Rafter square and instruction manual with tables