Starrett gauge, 1/16 – 1/2”, jobbers’ drill

Description

Using this gauge, the size of any twist drill from 1/16-1/2″ by 64ths can be quickly determined. The gauge has a total of 29 holes, each marked with the drill size in inches and the decimal equivalent. Gauge is rigidly tested after hardening and 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 2.5/16″ W x 6.1/4″ L