... Abrasive Brush 1.used for grinding granite and Marble and concrete 2.fixed on hand polishing machine 300mm Circle Abrasive ... Brush1.can be used in hand grinding machine or continue grinding machine for polishing all ... 60#,80#,120#,180#,240#,320#,500#. MachineHand Grinding Machine,wet grinder.QualityexcellentFunctionfor processing the marble ,granite to ...