AUTOTOOLHOME Drum Sanding Band 3/8 Inch 80 Grit Sander Kit Fit Dremel with Rubber Drum Mandrels Pack of 100 Turn your Dremel or other rotary tool into versatile high-speed sander Perfect accessory to sand, shape, groove & finish soft & hard woods, fiberglass & more Two 1/8"-shank mandrels of each size - diameters 3/8" Rubber expansion-drum mandrels - slide bands over drum & tighten screw for non-slip fit Sanding drums in preferred 80 grit