186 Starrett Gage drill and steel wire gage (Nos. 1-60 / .228-.040*)

186
Starrett Drill & Steel Wire Gage
Nos. 1-60 / .228-.040"

• Widely used by mechanics
  for twist drills and steel drill
  rod
• Similar to 185, without the
  tap and drill information
• 60 holes from 1 to 60
• Marked with number sizes
  and decimal equivalents
• Thoroughly tested for
  accuracy after hardening
• Black matte finish with gage
  information steel stamped on
  one side and white marked
  on reverse for quick, clear
  reading
• Approximately 5/64" thick,
  1-1/2" wide and 5-1/2" long