This 12 in. heavy duty rafter square is made of solid extruded aluminum that will not bend or break. It has stamped conversion tables. This square enables you to mark or cut up to 12 in. boards. The thicker frame ensures safe use as a saw guide. Instructions are included.

ITEM FEATURES:

• Marks or cuts boards up to 12 in. wide
• Solid aluminum extruded square will not bend or break
• Stamped conversion tables
• Thicker frame allows safe use a saw guide