/ Precision Measuring Tools / Precision Hand Tools / Squares / Combination Squares / 11H-12-16R * Not actual product image 50057 11H-12-16R 12" Combination Square with Square Head 50057 Other similar products The Starrett 12" Combination Square with Square Head features a reversible lock bolt, scriber, spirit level, and hardened steel, photo-engraved blade with regular This product also includes a cast iron head with black wrinkle finish. 12", 16R Grad, Regular Blade. Features Specifications Downloads Contact Starrett 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): 12" 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 Number of Pieces: 2 Downloads Catalog 33 - Section 11 - Squares Invented by our founder, the combination square was our first product and today, our brand is considered to be the best available. This section offers a range of high quality solid squares, tri-squares specialty products and accessories that is especially broad and deep. Precision Hand Tools (Catalog 33) 612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.