Overview Reviews Product Description Heavy-gauge steel, 6-1/2" l.X 2-3/8" w.Drill sizes 1/16" to 1/2" by 64ths.Hole sizes and decimal equivalents etched on face. Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 1/16 - 1/2" 29 Hole Drill Bit Gauge 12092 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *