Check the listing for details. 5 Pcs 8-7/8 Inch Grid Sanding Discs, 800 Grit Wall Sanding Discs. Condition: New. Listed at 11.61 USD. Product Details:Material: Aluminium OxideColor: BrownSandpaper Diameter: 8-7/8 Inch/220 mmGrit: 800 GritPackage Content: 5 Pcs x Sanding DiscsDurable - The mesh structure ensures that dust and debris generated by sanding can pass smoothly through the sanding disc, eliminating clogging problems, which not only maintains the sharpness and cutting efficiency of the sandpaper but also effectively dissipates heat and extends the life of the sanding disc.Hook-and-Loop Backing - The back of the sanding disc adopts a hook-and-loop design, which can be quickly replaced and securely installed on drywall sander, pole sander, and dust-free drywall sander.Reusable - When sanding materials that wear out slowly, the sanding disc can be washed and dried.