Drill Doctor Drill Bit Sharpener, Model: 500X, 3/32 - 1/2 in Capacity, 110 VAC, 106.5 W, 1.75 A, Diamond Grinding Wheel Abrasive, 1 in Abrasive, 180 Grit, 20000 rpm, Applicable Materials: High Speed Steel, Cobalt, Carbide, 6 ft Cord Length, Tool Grade Plastic Housing, Includes: E-Z Align System, Chuck, Video, Case, UL Listed, For DIY