3M Wetordry Sandpaper 03022, 3-2/3 in x 9 in, 800 Grit, 5/Pack, 20 Pack/Case3M Wetordry Sandpaper has long been a great choice for auto repair jobs – there’s no need to spend extra time switching sandpaper between wet sanding and dry sanding. A full range of grades features silicon carbide abrasives mounted on flexible, waterproof paper for consistently excellent results. Wetordry Sandpaper can be used by hand or for machine sanding.