Empire 3990 Rafter Square, Aluminum, 12 in L

Solid aluminum extruded square will not bend or break and has graduated notches for pulling layout lines, stamped conversion tables. Mark or cut boards up to 12 in wide. Thicker frame design ensures safe use as a saw guide. Includes instruction manual with complete rafter tables.

• Solid aluminum extruded square will not bend or break
• Solid aluminum extruded square will not bend or break
• Graduated scribe notches for smooth pulling of layout lines
• Conversion tables for common application needs
• Deep stamped