... . Good Performance Polishing Brush1. Used for the surface grinding of marble, man-made stone, granite, etc. 2. To get antique and ... #,36#,46#,60#,80#,120#,180#,240#,320#,500#,800#Round φ100M14 ,M16steel,24#,36#,46#,60#,80#,120#,180#,240 ... #,320#,500#,800#Round φ200M14 ,M16steel,24#,36#,46#,60#,80#,120#,180#,240 ...