3M imperial wet or dry Sandpaper 3000 grit, 3-2/3 in. x 9 in. (9.29 cm x 22.8 cm), open stock. Wet or dry abrasives are specially designed for wet or dry sanding. Use 3M Imperial wet or dry sandpaper for a premiere finish on lacquers, primers, sealers, plastics and paints. Features: Silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth Use with water or cutting oil to reduce clogging and extend abrasive life Offered in 2 weights of waterproof paper to suit your specific sanding needs: flexible A-weight backing for contour sanding and durable C-weight backing for improved stock removal and leveling general surfaces For sanding flat areas Sharp synthetic mineral that cuts fast and smooth Size: 3-2/3 in. x 9 in. For use by hand or with sanding block 10-sheets/pack 3000 grit Follow the grain of the wood when sanding Skip no more than one grit in sanding sequence