10" Slow speed wet sharpener No-load speed: 90~150/min Motor-----120V~/60Hz,1.8A ; 230V~/50Hz, 160W Stone Grander:10" 10" Slow speed wet sharpener Feacture:Motor-----120V~/60Hz,1.8A ; 230V~/50Hz, 160WNo-load speed: 90~150/minWhen grinding on a water cooled grindstone,the stone runs in a bath of water. The stone carries the water continuously to the grinding surface, thus cooling it and of ...