... as per your request 4. Good Performance Polishing Brush1. Used for the surface grinding of marble, man-made stone, granite, etc. 2. To ... brush body. 4. Products are used in industrial polishing lines, mobile floor polishing machines and hand grinding equipment.5. High density and ... #,60#,80#,120#,180#,240#,320#,500#,800# High Quality Polishing Brush For Marble / Granite / Concrete