【material】Round sandpapers are made of high quality silicon carbide and aluminum oxide and are suitable 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】125 mm grinding discs, without holes, 10 discs each, grain: 3000/4000/5000/7000/10000 【Use】Sanding discs for paint, varnish, plaster, coating, wood, plastic, bodywork, repair, surface finishing 【service】We are confident in our products. If you have any questions, please do not hesitate to contact us. We will reply you within 24 hours.