57D Full-sized Surface Gage 50295

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. (2) 12"/18" Spindle.


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  • Full-size surface gage with attractive finish
  • Two frictionally held gage pins in the steel base which can be pushed down and used against the edge of a surface plate or T-slot for linear work


  • Spindle Length (in): 12" & 18"
  • Spindle Length (mm): 300 & 450mm
  • Base Size (in): 3-3/4 x 3-3/8"
  • Base Size (mm): 95 x 85mm