13C Inch Reading Double Square 50111

Starrett 13 squares are very popular with machinists, toolmakers, and patternmakers. The sliding blades are adjustable making it practical for a wide variety of uses. The faces of the head are ground square. 6” with Graduated Blade square.

Contact Starrett


  • With Graduated Blade Only
  • Level Vial on base.
  • 4R Graduation – Quick Reading 8ths, 16ths, 32nds, 64ths


  • Type: Double Square with hardened blade
  • Blade Length (in): 6"
  • Graduations: 32nds - 64ths
  • Material: Steel
  • Includes: With Graduated Blade Only


    2D Dimensional Drawing (PDF)



    92.53 kb

3D CAD Files / Exploded Parts Diagram

    Login to see related product files. Or create an account.

Product Testimonials

    Write a product review

    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