3M Garnet Sandpaper Fine 19036-20-CC, 3-2/3 in. x 9 in. (9.29 cm x 22.8 cm), open stock. 3M garnet sandpaper is the choice of professional woodworkers for sanding a wide variety of bare and unfinished goods. A garnet abrasive mineral makes the difference a sharp, clean cutting mineral that produces smooth, finishes. Choose 3M PRO-PAK garnet sandpaper because it is made by 3M the inventers of sandpaper and the abrasives expert, it utilizes the sharp, cleaning cutting power of garnet abrasive minerals and it produces professional quality smooth finishes. Use on bare and unfinished wood. For best results when sanding wood surfaces, sand with the grain and work through a sequence of grits from course to ultra-fine. Skip no more than one grit between each sanding step.