The higher the number, the finer the grit. You will get 70 total orbital sander pads of 9 different grades: 5pcs of 40 grit, 8pcs of 80/120/180/240/320/400/600 grit, 9pcs of 800 grit. High-quality Sanding Discs: Our sanding pads for orbital sander are made from high-quality aluminum oxide abrasive, which is solid and anti-static, providing efficient and long-lasting sanding.
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