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