The 3M? SandBlaster? large sanding tool comes with a 3M? SandBlaster? advanced sanding sheet with NO-SLIP GRIP? backing. The tool is designed for comfort and performance with a handle that rotates 360 deg for multiple sanding positions. For best sanding results, sand with the grain of the wood through a sequence of grits, from coarse to extra fine, skipping no more than one grit between sanding steps. The colored abrasive will not discolor the surface you are sanding.