... 2.Easy operation, accurate, fast 3.Patent, newest, CE Ball End Mill Grinder Mr-X8 Patent No.: 2011 3036 4323.61. It ... is specialied for the ball end mill.2.Grinding is accurate and rapid, easy operation, with no ... ,Φ18,Φ20Dimension: 50*30*35.5cmWeight: 36.5kgGrinding wheel: Ball End Mill Sample: Operation: Ball End Mill Grinder MR-X8