C11H-12-4R 12" Combination Square with Square Head

11H, 11HC Combination Squares with Cast Iron Heads and Black Wrinkle Finish
Steel Combination Square, Inch, 12"

The Starrett 12" Combination Square with Square Head includes a reversible lock bolt, scriber, spirit level (except 4"), and hardened steel, photo-engraved blade with regular or satin chrome finish. The combination square includes a cast iron head with black wrinkle finish. 12", 4R Grad, Satin Chrome Blade

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  • Reversible lock bolt, scriber, spirit level
  • Hardened steel, machine divided blade
  • Satin Chrome Finish Blade
  • Cast Iron Heads with Black Wrinkle Finish


  • Made in America: Yes
  • Blade Length (in): 12"
  • Blade Finish: Satin Chrome
  • Graduation Type: 4R
  • Graduations: 8ths, 16ths, Quick Reading 32nds, 64ths
  • Head Finish: Black Wrinkle
  • Head Material: Cast Iron
  • Head Types: Square
  • Number of Pieces: 2


3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      40•NUT, .231-2801083-01
      50•SPRING, .260X.310X.563X.025X501086-01
      60•PLUG, EXPANSION17816-01
      70•BUSHING, AWL #11-601087-1/21
      80•VIAL, .281X1 5/1613263-01
      90•BOLT, LOCK #11-1222658-01
      100•NAMEPLATE, STARRETT05838-01
      110•AWL SUB ASSEMBLY07659-C1
      120BLADE, #4 GRADCB12-4R1

    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov