Holistic Drill Bit Gauge - 3 Drill Bit Gauges in One

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

• 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 don't have. Helpful dimensional information on both sides of gauge.
• Made of rigid, durable miltiary-grade fiberglass.
• 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.
• All Number sizes from #1 thru #61, All Leter sizes from A thru P.
• Commonly found metric sizes from 2.0 mm thru 8mm.
• Handy for measuring many other circular items such as wire, rods, cord, beads, lead shot, nails, etc. For larger size drill bits from 1/4" thru 5/8" and all Letter sizes in between, see our Model FLML53-A (ASIN: B0D64D53P4 ) gauge also sold here on Amazon.