3M Wetordry Abrasive Sheet 213Q, 02040, P320, 9 in x 11 in, 50 sheets per cartonGeneral Information Brand Wetordry Attachment Type None Sanding Type Wet Dry Country Of Origin United States Sold As Carton California Residents Proposition 65 Warning Dimensions and Specifications Backing Weight A Weight Grit P320 Overall Length (Imperial) 11 in Overall Length (Metric) 279. 4 mm Overall Width (Imperial) 9 in Overall Width (Metric) 228. 6 mm Micron Grade Non Pertinent Width 0. 25 yd 0. 23 m Height 0. 31 yd 0. 29 m Length 0. 02 yd 0.