Starrett gauge, .228-.040”, wire drill and steel

Description

Widely used by mechanics for selecting the correct size of twist drills and steel drill rod. Without tap and drill information. Has 60 holes for gauging drills from No. 1-60 and each hole is marked with the no. size and decimal equivalent of the drill that fits each hole. Gauge is thoroughly tested for accuracy after hardening. Has a black matte finish. Gauge information is steel stamped on one side and white marked on the reverse side for quick, clear reading. 
5/64″ T x 1.1/2″ W x 5.1/2″ L