Empire Level 3990 12-Inch Heavy-Duty Magnum Rafter Square

• Solid aluminum extruded square will not bend or break

• Stamped conversion tables

• Thicker frame design ensures safe use as a saw guide

• Graduated notches for pulling layout lines

• Includes helpful instruction manual with complete rafter tables

Empire Level 3990 12" Heavy-Duty Magnum Rafter SquareSolid aluminum extruded square will not bend or break. Stamped conversion tables, Mark or cut boards up to 12" wide, Thicker frame design ensures safe use as a saw guide, Graduated notches for "pulling" layout lines, Includes helpful instruction manual with complete rafter tables