Pro Grade No-Slip Grip™ Advanced Sandpaper, 320 grit
3M™ Advanced Sandpaper is now better than ever, thanks to the No-Slip Grip™ Backing. No-Slip Grip™ Backing provides longer sheet life — seven times longer than conventional sandpaper. For the best sanding results, sand with the grain of the wood and work through a sequence of grits, from coarse to ultra fine, skipping no more than one grit between sandpaper.