Feature

●Covers 92 drill bit sizes from 1/32" thru Letter Size P ( slightly larger than 5/16" & 8mm)
●Drill gauge holes are in absolute size order, making it easy to identify drill bits quickly no matter which family they belong to: Fractional, Number, Letter & Metric.
●Inclusion of metric drill bit sizes allows quick identification of American Number & Letter Size equivalents.
●Easily substitute a drill bit size you have for one you dont have.
●Helpful dimensional information on both sides of gauge.
●Handy built-in fractional and metric rulers with screw head notch for accurate screw length measurements.
●Fractional sizes from 1/32" thru 5/16" in 1/64" increments.


Description

A single Drill Bit Gauge for all drill bit Families: Fractional, Number,Letter and Metric