3M Aluminum Oxide Sandpaper Medium Grit

3M? Aluminum Oxide Sandpaper 9002NA 9 in x 11 in Medium grit. 3M? sandpaper comes in a variety of minerals and a wide grit range. This medium grit aluminum oxide sandpaper is a general purpose abrasive that can be used on painted surfaces bare wood and metal. The 9 in x 11 in sheets can be cut to size to use by hand on a sanding block or a power tool sander. Sanding is an integral step in preparing a surface to receive a coating. For the best sanding results sand with the grain of the wood and work through a sequence of grits from coarse to very fine.