【Material】Round sandpapers are made of high-quality silicon carbide and alumina for dry and wet grinding. They have the advantages of anti-blocking, anti-static, wear resistance, good flexibility, long service life, and excellent surface treatment. 【Grain】125mm Sanding Discs, No Holes, 10 Discs of Each, Grit: 3000/4000/5000/7000/10000 【Use】Sanding discs for paint, varnish, plaster, filler, wood, plastic, bodywork, repair, surface finishing 【Service】We are confident in our products. If you have any questions about them, please feel free to contact us and we will reply to you within 24 hours.