Drill Doctor 750X Drill Bit Sharpener is specifically built to handle larger drill bits up to ¾", sharpening 3/32" to ¾" bits with one chuck, high speed steel, masonry, carbide and tin coated bits as well as sharpens split point bits for faster penetration and less drill bit walking. The new custom point features an adjustable material take-off and offers additional custom flexibility. Designed to allow the operator to choose any angle from 115 degrees to 140 degrees accommodating a variety of projects. Compatible with the optional chuck model #SA01751PA or True Value #870-493 and replaceable diamond sharpening wheel, True Value #870-311.