Tackle heavy sanding jobs with confidence using the Makita B-51415 sanding discs. Thanks to the extra-coarse P40 grit, you quickly and effectively remove old layers of paint, varnish, and surface imperfections from wood and metal. The perforated hole design extracts sanding dust immediately, keeping the 150 mm disc from clogging and maintaining optimal performance. With the reliable hook-and-loop velcro backing, you can change discs in seconds without any tools. This convenient pack of 10 pieces ensures you have the stock ready to power through demanding preparatory work.