Overview Reviews Product Description Premium HSS Bright finish Made to the same length as jobber length drills Can be used as punches, gauges, pins or ground for special tools Clarkson Osborn Catalog Product Videos Custom Field Diameter 7.8mm Overall length 117mm Package quantity/sold as each 10 Product Reviews Write a Review Write a Review × Clarkson-Osborn 7.8mm Bright Finish HSS Jobber Drill Blank DR75578 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *