... knife, computer engraving machine, engraving machine grinding machine is aimed at turning tool, bit, cutter, carving knife, computer ... durability.Taiwan inverter, easy to control speed of grinding wheel, grinder running smoothly, no impact.Germany ... ,plastic,carton and so onTechnical specification: ModelYM1500YM3000BYM3500AMax. grinding length (mm)150030003500Width of working-table (mm)180180180Grinding ...