1x Square 3KW Air cooled spindle motor (ER20,220V,18000rpm,4pcs bearings,300Hz ). 14pcs Full set ER20 Collet (1mm, 2mm, 3mm, 3.175mm, 4mm, 5mm, 6mm, 7mm,8mm,9mm,10mm,11mm,12mm,13mm each 1pcs). 3KW ER20 Square Air-cooled Spindle motor Engraving milling Grind.
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