The Drill Doctor DD750X includes FREE $40-value CRKT Drifter pocket knife with purchase! The Drill Doctor DD750X is a professional-level drill bit sharpener that is ideal for sharpening a full range of bits, including split points and the 135deg bits used in drilling hardened metals. Sharpens split-point bits and creates split-points from standard bits. The included large chuck sharpens 3/4in. bits. U.S.A. Accepts Bits (in.): 3/32 to 3/4 in diameter, Amps: 1.75, Angle Sharpening (deg.): 115-140, Case Included: Yes, Grit: 180 diamond grit, HP: 1/7, Machine Type: Manual, Max. RPM: 20,000, Product Type: Bit sharpeners, Usage: Professional level, UL Listed: Yes, Volts: 110, Wheel Diameter (in.): 1