Starrett Surface Gages 12" x 18" Spindle Length - 257D

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. 

• 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  
• • Spindle Length (in): 12" & 18"
  • Spindle Length (mm): 300 & 450mm
  • Base Size (in): 3-1/2 x 3-3/16"
  • Base Size (mm): 90 x 80mm