257C Full-sized Surface Gage

257 Full-Sized Surface Gages
Full-sized Surface Gage, 12"/300mm Spindle Length, 3-1/2 x 3-3/16" / 90 x 80mm Base Size

Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. 12" Spindle.

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  • Finest full-size surface gage
  • Stable steel base is fully hardened, ground and nicely finished
  • Four frictionally held gage pins that add versatility for referencing the tool


  • Made in America: Yes
  • Spindle Length (in): 12"
  • Spindle Length (mm): 300mm
  • Base Size (in): 3-1/2 x 3-3/16"
  • Base Size (mm): 90 x 80mm

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    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