60 Grit 13" Virginia Abrasives mesh screen Disc, Box of 10 Open mesh offers higher resistance against the friction and heat of continuous sanding. Sanding screen discs are excellent for removing raised wood grain in the final sanding stage and scuffing between finish coats. Discs are manufactured with silicon carbide that is bonded to a uniform open mesh. Use on 175-300 rpm Floor machine Made in the USA