Features: ➢ IDENTIFIES DRILL BITS SIZES- Helpful when working with older, unmarked drill bits and bits too small to fit diameter markings ➢ 29 MEASURING HOLES- Identified drill bits from 1/16 Inch to 1/2 Inch in 1/64th increments ➢ ETCHED MARKINGS- Black graduations to give high contrast and will not wear off ➢ NO MATH- Shows drill sizes in both inches and decimal equivalents ➢ DURABLE- Made from heavy duty, rustproof stainless steel ➢ 2-3/8" x 6-3/4" overall http