Cork-Block-Wet-Dry-Sanding-Sheets-Assorted-Pack-10-Faithfull-FAIACBWDA-p-These-Faithfull-Wet-amp-Dry-Sanding-Sheets-are-ready-cut-to-wrap-around-a-cork-block-such-as-FAIC18-They-are-made-from-a-flexible-latex-impregnated-waterproof-backing-paper-that-is-then-coated-with-abrasive-Use-wet-or-dry-for-sanding-paint-primer-and-body-filler-p-p-Coarser-grades-are-ideal-for-removing-major-imperfections-Finer-grades-achieve-a-very-fine-finish-for-final-painting-Super-fine-grades-all