180 grit is best for dry sanding and shaping body filler and fiberglass, as well as paint removal and blending Made with a premium grain, which offers a higher cut rate and uniform scratch pattern which makes it perfect for achieving fine finishes When sanding wood, 180 grit is best for final surface sanding and preparation before applying paint and stain on wood Use dry during the preparation phase of a project, usually when removing existing finishes, rust and oxidation; it is also key when sanding and shaping body fillers and primer coats Sheets can be cut-to-fit 1/2 sheet, 1/3 sheet, or ¼ sheet sanders