/ Precision Measuring Tools / Precision Hand Tools / Squares / Special Squares / 13MA * Not actual product image 56278 13MA Millimeter Reading Double Square 56278 Other similar products 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. 100mm with Graduated Blade square. Features Specifications Downloads Contact Starrett Features With Graduated Blade Only mm Grads Both Edges One Side; mm and 1/2mm Reverse Side Double Square with hardened blade 100mm Specifications Type: Double Square with hardened blade Blade Length (mm): 100mm Graduations: mm - 1/2mm Material: Steel Includes: With Graduated Blade Only Downloads 2D Dimensional Drawing (PDF) .pdf 87.71 kb