60-1000 grit: white dry sanding discs, 3000-10000 grit: wet/dry(waterproof) sanding discs. S uitable most kinds of rotary tools, such as die grinders, air grinders, electric drills. 30 S anding discs (60、 240 、 600 、 1000 、 5000 、 10000grit 5pcs of each).
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