Check the listing for details. TECHTONGDA U2 Universal End Mill Twist Drill Cutter Grinding Tool Sharpener 220V. Condition: New. Listed at 807.46 USD. TECHTONGDA U2 Universal End Mill Twist Drill Cutter Grinding Tool Sharpener 220V Features: 1. Concise and easy, and grind out in a straight line. 2. Strength increase, increase the service life of blade and processing capacity. 3. High grinding accuracy, easy to install, aesthetically pleasing, novel structure, flexible the rotating parts, low noise, small vibration, tool post part bearing, durable, wear-resisting, 4. All kinds of diameters, shapes, Angles of the carving knife according to the proportion of engraving corresponding grinding. 5 types Collets 0.15''=4mm, 0.2''=6mm, 0.3''=8mm, 0.4''=10mm, 0.5''=12mm. Max. Grinding Dia. ф100mm(3.94") Motor 220V Taper Angle 0°-180° Relief Angle 0°-45° Negative Angle 0°-26° Grinding Spindle 5200r.p.m. Cup grinding wheel 100x50x20mm(3.9*2.0*0.8") Net Weight 99LB(45kg) Packing dim. 55x65x47cm(21.7*25.6*18.5") Instruction On Feb 22, 2023 at 21:26:31 PST, seller added the following information: