Norton ProSand Premium Job Pack Abrasive Sheet, Next Generation of 3X Technology, Fiber Backing, Aluminum Oxide, Grit P400 (Pack of 20) Product Description Norton ProSand Premium Job Pack Abrasive Sheet, Next Generation of 3X Technology, Fiber Backing, Aluminum Oxide, Grit P400 (Pack of 20) From the Manufacturer Norton 3X sanding sheets provide superior sanding performance for a premium surface finish. Providing 3 times the total performance of conventional sandpaper sheets, Norton 3X sheets are designed to provide the best performance on all surfaces and coatings. It will not clog, tear or transfer color. Features This sandpaper product is crafted using a premium, heat-treated abrasive to create an extra fine grit sandpaper sheet that cuts faster and longer sandpaper life than ordinary sandpaper Pair this premium sandpaper product with your sanding block, sanding board or use the sandpaper by hand to finish and prepare the surfaces of hard and soft carbon steels, soft metals, titanium, super alloys, hard and soft woods, fiberglass and composites This sandpaper is non pigmented and has a water-based anti-clog coating. With no color dye for zero color transfer this sandpaper is the best sandpaper for metal removal and prevents color transfer between surfaces Final finish sanding reduces sanding time will not clog, tear or transfer color works on all surfaces The first choice for any sanding project USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.