80/120/180/320 sanding discs, including 2 sheets of each grit, total 8 sheets, meet all your needs. The sandpaper is made of durable, calcined abrasive aluminum oxide grit and has a longer life. Easy to use, with a replaceable velor liner on the back, makes removal and replacement quick and easy. Used for grinding and polishing artificial stone, furniture and wood products, metal rust removal, automotive, plastic, leather and other items. Can be used with adhesive sanding and polishing discs, suitable for all 150mm disc sanders.Features:Material: aluminum oxide.Diameter: 150mm.Shape: round.Grit: 80/120/180/320, 2 pieces of each size.Content:2 80 grit sanding discs.2 120 grit sanding discs.2 180 grit sanding discs.2 320 grit sanding discs.Used for grinding, polishing and removing metal and non-metal, wood products, rubber products, leather, plastic, stone, glass, etc.Note:Please read the size carefully before purchase.