With the Drill Doctor DD500XIBM drill bit sharpener, you easily restore dull and damaged bits to their original sharpness. Equipped with a 180 grit diamond sharpening wheel, it sharpens HSS, cobalt, TiN-coated, carbide, and masonry bits from 2.5 to 13 mm with precision. Quickly select between 118° and 135° point angles and create split points to prevent bit wandering and ensure clean drilling in metal and wood. Supplied with a centering chuck, an instructional DVD, and a sturdy hard plastic case, you have everything ready for the workshop or on-site jobs.