ITEM NAME:29 Sizes Index Stainless Steel Drill Gauge Bolt Wire Diameter Size Bit Gaug N3J8 29 Sizes Index Stainless Steel Drill Gauge Bolt Wire Diameter Size Bit Gaug N3J8 Heavy duty stainless steel construction drill gauge comes with clearly marked fractions and decimal. Equivalents ranging from 1/16 inch to 1/2 inch by 1/64 inch. Has a hanging hole. Gauge the drill bits quickly and easily. 100% Brand New. Color: silver material: metal Package Contents: 1 * Drill Gauge.Gauge the drill bits quickly and easily. 1 Drill Gauge.