... : 5hp, speed 300-1600rpm; Vacuum cleaner; Diamond tool. wet stone grinding machine, stone grinding equipment Performance1, Aluminum alloy gearbox guarantee quality;2 ... ;4, Removing epoxy thin-coats;5, Grinding sharp grout, mastic, flint and granite;6, Leveling and smoothing uneven surfaces.ModelABWeight150KG165KGCurrent12A20AMotor5HP7.5HPInverter5HP10HPVoltage380 ...