1. WHAT YOU WILL GET: The package comes with 2 pieces black drill bit gauging, whose scales are clearly printed, providing a clear and accurate measurement for you to read the bit sizes quickly and efficiently 2. SOLID MATERIAL: Drill bit gauging is made of quality stainless steel, this drill bit sizer gauging is sturdy and rusts proof, will not deform, bend or wear out easily, and the numbers on this drill gauging are well printed and hard to fade, can serve you for a long time 3. 29 HOLES TO MEASURE: There are 29 holes with different sizes in this metal drill gauging, and the holes are designed in inches and decimals equivalents, ranging from 1/16 inch to 1/2 inch with white marked fractions and decimals, meeting your different measurement demands 4. UTILITY DESIGN: The drill bit templates use machined heavy duty steel construction and ground to close tolerances, nice for sizing older, unmarked and too small bits, helping you to identify the drill bit diameter and find the size you need when working