Johnson Level & Tool CS9 Professional Easy-Read Steel Framing Square, 16" x 24" 24" x 2" body, 16" x 1-1/2" tongue, 1/8" thick EZ read thermal bonded numbers and graduations Graduations measure in 1/8", 1/10", 1/12", 1/16" Includes Octagon scales, rafter tables, Brace tables and board foot tables