Check the listing for details. 25pcs Sanding Discs 5 Inch 9-Hole 2000 Grit Hook & Loop Discs. Condition: New. Listed at 12.18 USD. ABOUT THIS PRODUCTSThe sanding sandpaper is made of durable polyester film construction, which is less likely to show frayed or torn edges when sanding corners. The sanding grains are highly consistent, allowing for fast and smooth sanding.Zirconium corundum is a material forged at high temperatures using aluminum oxide and zirconium oxide as raw materials. It is a high-performance abrasive material that can resist various corrosive substances and can cut quickly, which is a good choice for heavy metal grinding/polishing metals and materials.The wet/dry sanding disc features a porous dust extraction design that minimizes dust buildup and clogging during sanding operations, making it good for automotive body work including paint removal and wet sanding.The hook & loop sanding discs are specially designed for manual or machine grinding.