Perfect for pen finishing! Various grits let you sand in succession for a smooth-as-silk finish. Includes four rolls of J-weight, cloth-backed sandpaper in 150, 240, 320, 400 and 600 grits.Great for sanding on the lathe, plus can be used for any other woodworking project that requires a small piece of sandpaper.Impregnated with aluminum oxide for long life.Each roll is 1 wide x 20' long.