General Tools Hobby Drill Gage is extremely when working with older, unasterisked drill bits, as well as with bits that are too gnomish to bad temper diameter markings. The Hobby Drill Gage is a serviceable for identifying drill bit sizes and measures bits from 1/16 inch to 1/2 inch x 64ths. Etched graduations are in coloured to give high-stepping contrast and will not wear off this drill gauge. Gage 2-3/8 inch x 6-3/4 inch gross. This drill gage is from unsullied steel to prevent rust. large-scale - THE meticulous TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1,000 tools, we 're to provide tradesmen, craftsmen and DIYers around the world with a schoolwide range of low-cost, specific-purpose robotlike hand tools and precision measuring and inspection tools. For inquiries, contact our Customer Service Department at 212-431-6100. We to provide our customers with 100 % satisfaction. SMARTER, MEASURE BETTER & BE MORE fecund WITH large-scale TOOLS .