3M Wetordry Finesse-it Paper Disc Roll, 401Q, 2500, 3/4 in x NH (19.05 mm x NH), 1000 discs per roll The 3M Wetordry Finesse-it Paper Disc Roll 401Q features scalloped discs designed for buffing and polishing, finishing, and paint and lacquer sanding. Product Information Brand 3M Part # 7000139168 Line Finesse-It Backing Material Paper Color Black Diameter 3/4 Inch Dimensions 3/4xNH Grit 2500 Material 401Q Mineral Silicon Carbide Origin Country USA Product Type PSA Discs Vacuum Type Non-Vacuum Extra Product InformationThe 3M Wetordry Finesse-it Paper Disc Roll 401Q was engineered to help users effectively prep surfaces for paint, as well as repair surfaces that may have been scuffed or damagedIt is well suited for MRO paint prep and AEOM finish prepIt may be used on paint, primer, gel coat, metal, and woodUsing these paper discs has many benefitsThe 3M Wetordry Finesse-it Paper Discs feature silicon carbide mineral constructed on an A- or C-weight backingThe lightweight paper backings offer good flexibility to help minimize gouging or denting the workpieceClosed coat construction means silicon carbide mineral covers 100% of the paper backingGiven the dense concentration of mineral, these paper discs leave a fine, soft scratch pattern.Product InformationCan be used on a range of surfaces, from paint to metal and woodCan be used wet or dryDurable and capable for applications such as buffing and lacquer sandingMultiple discs on a roll reduces the need for ordering replacementsSuggested ApplicationIdeal for a variety of tasks including general purpose sanding and high performance wood finishing