AUTOTOOLHOME Drum Sanding Sand 80 Grit Sander Kit Fit Dremel Includes Rubber Drum Mandrels 1/2 Inch 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 1/2" Rubber expansion-drum mandrels - slide bands over drum & tighten screw for non-slip fit Sanding drums in preferred 80 grit