Aluminum Oxide Emery Paper Grit 180 - Package of 12 Emery paper is an aluminum oxide waterproof abrasive paper. Dimensions for this paper are 230mm (9") x 350mm (13 3/4"). The higher the GRIT number the finer the paper. Sold by the dozen or boxes of 100 pieces. This emery paper is ISO/FEPA Grit 180, OUGHT Grit 3.