Has 60 holes for gaging drills from No. 1 to 60 and each hole is marked with the number size and decimal equivalent of the drill that fits each hole
The gage is thoroughly tested for accuracy after hardening
This gage has a black matte finish
Gage information is steel stamped on one side and white marked on the reverse side for quick, clear reading
For selecting the correct size of twist drill and steel drill rod
Meets or exceeds accuracy and performance requirements of national and international standards and are traceable to the National Institute of Standards and Technology.