Feature:1. [29 Hole Drill Gauge] This drill bit gauge features 29 measurement holes ranging from 1/16 to 1/2 inch (1.59 to 12.7mm), with 1/64 inch increments for accurate sizing and compatibility with a wide range of drill bits.2. [Dual Measurement Scale] The gauge is marked with both imperial and metric measurements, allowing for clear and easy reading of drill bit sizes for enhanced convenience.3. [Quick and Easy Identification] Ideal for measuring older, unmarked drill bits or those too small to fit diameter markings, this drill bit size checker enables quick and effortless identification of drill bit sizes to streamline your work.4. [Convenient Hanging Hole] Designed with a hanging hole, this drill gauge can be easily hung for storage, keeping your work space organized and allowing for quick access whenever needed.5. [Stainless Steel Construction] Crafted from stainless steel material, this drill bit sizer is sturdy and robust, ensuring long lasting performance.Specification:Item Type: Drill Bit GaugeMaterial: Stainless SteelUse: Double Sided Drill Bit MeasurementApplicable Range: 118 Top Angle Twist Drill Bit Grinding AmountMeasurement Range: 1/16-1/2in, 1.59-12.7mmColor: Black.Package List:1 x Drill Bit Gauge