Drill Doctor

By Heather Burlingame, Senior Production Editor | September 28, 2010

The upgraded 750X drill-bit sharpener features a more streamlined profile for easier handling and durability. The user can create a custom variable-point angle between 115 and 140 degrees. The sharpener has double the number of relief angles and sharpens high-speed steel, black oxide, carbide, tin-coated, cobalt and masonry bits.