Johnson Level & Tool Manufacturing CS5J 16" x 24" Aluminum Rafter Square

• 24" x 2" body, 16" x 1-1/2" tongue, 1/8" thick
• Aluminum body will not rust
• Permanently stamped graduations and numbers
• Graduations measure in 1/8", 1/10", 1/12", 1/16"
• Includes octagon scales, rafter tables, brace tables and board foot tables

While this square was designed for rafter work, it is a versatile tool for any carpenter or builder - it is handy for framing, layout, rafter and stair work, finding and establishing right angles, marking cut-off work and more!