Starrett 11HC-18-16R COMBINATION SQUARE

11HC-18-16R 18" Combination Square with Square and Center Head The Starrett 18" Combination Square with Square and Center Head features a reversible lock bolt, scriber, spirit level, and hardened steel, photo-engraved blade with regular finish. This product also includes a cast iron head with black wrinkle finish. 18??, 16R Grad with Center Head, Regular Blade.   FEATURES  Reversible lock bolt, scriber, spirit level  Hardened steel, machine divided blade  Regular Finish Blade  Cast Iron Heads with Black Wrinkle Finish   SPECIFICATIONS  Blade Length (in): 18"  Blade Finish: Regular  Graduation Type: 16R  Graduations: Quick Reading 32nds, 64ths, Aircraft Quick Reading 50ths, 100ths  Head Finish: Black Wrinkle  Head Material: Cast Iron  Head Types: Square, Center  Number of Pieces: 3