Features ACCURATE AND CONVENIENT: The bolt wire diameter index gauge is accurate and neat, and the scale is clear and easy to read, accurately corresponding to each scale CORROSION RESISTANT STAINLESS STEEL: Stainless steel material 1/16‑1/2in drill gauge possess corrosion resistance, good mechanical properties, high strength MEASURING RANGE: Fractional drill gauge has a variety of specifications of holes, 1/16‑1/2in; 0.062‑0.500 ACCURATE WORKMANSHIP: Hobby drill gauge is made of excellent stainless steel and can be quickly fixed with other tools SCOPE OF APPLICATION: Fractional size drill gauge is used for double sided drill bit measurement, 118° top angle twist bit grinding Specification: Item Type: Fractional Size Drill Gauge Material: Stainless steel Measuring Range: Imperial 1/16-1/2; 0.062-0.500 Package List: 1 x Fractional Size Drill Gauge Package List 1 x Fractional Size Drill Gauge