We are offering end mill grinder , suitable for the 2, 3, 4 flute end mill. model mr-x3bdiameter 6-14power 220v180wspeed 5300rpmweight 14kgstandard equipment one piece grinding wheel :cbn (for hss)1sixcollets:68101214collet chuck:4 flutes 1 piece;6 flutes1 piece; optional equipment grinding wheel :sd (for carbide).