11H-4-4R 4" Combination Square with Square Head

11H, 11HC Combination Squares with Cast Iron Heads and Black Wrinkle Finish
Steel Combination Square, Inch, 4"

The Starrett 4" Combination Square with Square Head features a reversible lock bolt, and hardened steel, photo-engraved blade with regular finish. This product also includes a cast iron head with black wrinkle finish. 4", 4R Grad, Regular Blade.

Contact Starrett



  • Reversible lock bolt
  • Hardened steel, photo-engraved blade
  • Regular Finish Blade
  • Cast Iron Heads with Black Wrinkle Finish


  • Made in America: Yes
  • Blade Length (in): 4"
  • Blade Finish: Regular
  • 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


  • C11-4 (50072)
    C11-4 Center Head Only for 4" Combination Squares


3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      2•LOCK BOLT COMPLETE #13PT990211
      3••SPRING, .263X.313X.250X.025X 2PT01085-1/21
      5••BOLT, LOCK #11-413136-01
      6••NUT, .231-1824548-01
      7BLADE ONLYB4-4R1

    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