Set of 7 Polishing Pads - up to 3.000 graining The MSW Wet Polishing Pads Set MSW-PADS-900 was specially developed for professional use in stone machining and other trades. The 7-part set comprises wet polishing discs with a diameter of 100 mm and various grain types (50, 100, 200, 400, 800, 1500 und 3000).