Check the listing for details. End Mill Grinder Cutter Sharpener 4-20mm Universal Sharpening Machine KZ-X20. Condition: New. Listed at 1165.00 USD. End Mill Grinder Cutter Sharpener 4-20mm Universal Sharpening Machine KZ-X20 FeaturesReasonable structure and multiple choices. The flute angle 5°, the front bevel angle 20°, the back bevel angle 25°, a single grinding wheel can complete different flutes numbers.Multiple flutes all in one machine. It can grind 4-20mm(0.16-0.79inch) 2 flutes, 3 flutes, 4 flutes of end mill. Controllable grinding and simple operation. According to the wear degree of the tool, the grinding amount of the flutes can be adjusted to improve the life of the milling cutter and the cutting efficiency. Intelligent shifting improving efficiency. Intelligent shift, high and low speed operation makes work more convenient and efficient. Any questions, please message me. I will reply you within 24 hours. Thanks.