Package includes - 329 pieces of sanding belts in 3 diameters: 1/2& 34;, 3/8& 34; and 1/4& 34;338 pieces in total Sanding different grits - 80 grit, 120 grit, 320 grit. Almost all sanding requirements polishing are satisfied Applicable - This kit is suitable for home decoration, artistic crafts and woodworking, carving, polishing, circular grinding , metal polishing, rust removal polishing, etc. Wide compatibility - Compatible with all common size rotary tools, such as Dremel, etc. Easy to store - With a plastic box, convenient to store and retrieve, which allows you to put everything in order properly after using it Drum sander 338 parts with plastic box 1. Drum sanders are compatible with common drum sanders and standard size rotary tools 2. Easy to install, rubber-cushioned, self-expanding drum mandrels can hug sanding belts with a snug fit, holding sandpaper sleeves in place for an extra-fine finish. work of art 3. Caution: Please wear protective glasses when using this drum sander set. Specifications - Color: Red - Material: Aluminum Oxide - Transform your Dremel or other rotary tool into a versatile high-speed sander speed. - Accessories for sanding, shaping, grooving and sanding. finishing soft and hard woods, fiberglass and more. - Drum mandrel sizes: 1/2 inch, 3/8 inch and 1/4 inch - Grit (abrasive sleeve): 80/120/320 Package included: 329 x abrasive sleeve 3 x 1/2 & 34; Mandrels 3 x 1/4 & 34; Mandrels 3 x 3/8 & 34;Mandrels