3M Wetordry Paper Sheet 431Q, 9 in x 11 in 80 C-weight, 50PK

3M Wetordry Paper Sheet 431Q features extra-fast cutting silicon carbide on a strong C-weight, waterproof paper backing to provide superior finishing for both wet and dry applications on a variety of substrates, including paint, primer, gel coat, metal, Versatile sheet can be used wet or dry on paint, primer, gel coat, metal, and wood finishes|Waterproof backing supports wet applications for decreased loading and a faster cut|Strong C-weight paper backing provides durability for either hand or machine sa