Check the listing for details. Portable 3-13mm End mill grinder grinding machine sharpener with 5 collets Tech. Condition: New, Made in China. Listed at 670.70 USD. A.2 edge of the tool by locking clip on the 2,4 surface grinding, face grinding 3 blade cutter 1324 by locking clip on the 135 surface grinding, four blade cutter by locking clip on the 6 blade cutter by locking clip on 142,536 surface grinding.