Get organized with this 3 piece drill gauge set! These steel plates have clear markings, precision stamped gauge holes and lists numbered (1-60), lettered (A-Z) and fractional (1/16"-1/2" by 1/64") sized drill bits. Stop guessing and check those drill sizes before you drill that hole! Even includes a tap drill/clearance drill reference chart.
Take the guess work out of sizing drill bits.