Stadea Series Super Q, 4 Inch Diamond Polishing pads for Quartz Polishing 7 Step polishing pads, professional Grade 3 MM height Grit 50, 100, 200, 400, 800, 1500, 3000, Buff polishing pads, one each for the grit. These Diamond Polishing Pads provides perfect finish on Quartz and very good finish on other hard light color stone surface (Marble, Travertine, light color Granite and concrete).