Description: 29 Holes Measurement: 29 hole sizes, precision range; from 1/16-1/2inch 1.59-12.7cm. Quality Material Selection: made of quality stainless steel, these drill bit templates are sustained and solid, rustproof and hard to fade, deform or bend; They go through delicate workmanship, will not wear easily, can be kept for a long time. 29 Holes Measurement: These drill size gauges feature 29 holes, whose sizes show in inches and decimals from 1/ 16 inch to 1/ 2 inch by 1/ 64 inch, allowing you to get precise measurement results Portable CarrygeWith a hanging hole design for easy hanging. Measure Drill Sizes Fast: the body of these drill bit sizer gauges is machined and ground to precise tolerances, making it easy for you to identify the diameter of drill bit and find the size you need when working, nice for sizing older, unmarked and too small bits. Specification: Material: Stainless Steel Size Chart: 15.1cmx7cm/5.94inchx2.76inch Package Includes: 1 PieceDrill Bit Gauge