29 Holes measurement: 29-hole sizes remain constant, providing precision accuracy; The drill sizes in both inches and decimal equivalents range from 1/16 inch to 1/2 inch by 1/64 inch, with clearly marked fractions and decimals for accurate measurement Exquisite design: Heavy gauge steel construction is machined and ground to close tolerances, allowing quick and convenient identification of drill bit diameter; Features a hanging hole for easy storage and added convenience Durable material: Constructed from stainless steel, it is sturdy and durable, helping to gauge drill bits quickly and easily when working with older, unmarked drill bits or bits too small to fit diameter markings; A practical tool for measurement Package includes: 2 x Drill Gauges; Clearly imprinted with black graduations for high contrast, ensuring markings do not wear off; A reliable helper for measurement tasks Proper size: Portable design allows it to be carried in a bag; Can be used as a simple ruler and to draw squares Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item; Measurement allowance is +/- 1-3 cm Material: Stainless steel Color: Silver Package Contents: 2 x Drill Gauges Only the above package content is included; other items are not included