【Everything You Need】Each sandpaper measures approx. 93 x 185mm; including 4 different types of grits, from coarse to fine: 60#, 80#, 120#, 240#, 10 sheets for each grit, a total of 40 sheets, which can meet almost all your general polishing needs. With the grit marking on the back, the smaller the number, the finer the polishing effect. 【Premium Quality】The sanding sheets are made of high quality aluminum pellets and high strength resin to prevent pilling and marring of the sandpaper, anti-static and anti-blocking, high strength resin bond system increases the service life, good choice for sanding and polishing. 【Premium Aluminum Oxide】Durable aluminum oxide grit ensures faster cutting, long lasting and anti-static, Non-stick - a special anti-clogging coating on stearate increases performance and durability. 【Back with 8 holes】Velcro fastener makes sanding sheets quick and easy to stick on detail sanders. Punched with 8 holes for dust removal. 【Wide Application】Sanding pads are