Package include Comes with 180 pieces sanding bands, 3 diameters: 1/2", 3/8" and 1/4". 3 sanding grits :80 grit, 120 grit, 240 grit, and 6 pieces sanding drum mandrels. Totally 186 pieces drum sanders set Premium Material:Made from high grade aluminum oxide sanding sleeves with cloth back, long lasting t use, fine workmanship and durable Easy use - The drum shaft is equipped with self-expanding rubber cushion to make the sanding belt firmly close to the drum spindle and achieve better processing results, fits all rotary tools There are many types of drum sanding bands in different grits that you can choose for various needs WIDE APPLICATION It can be applied to many places, such as ceramics, stone, glass, wood and other industries engraving, etching, polishing manicure and so onColor: A Manufacturer: Yesallwas Model Number: QF009-US Part Number: QF009-US Package include 20 * 1/2 Inch sanding bands(80 grit) 20 * 1/2 Inch sanding bands(120 grit) 20 * 1/2 Inch sanding bands(240 grit) 20 * 3/8 Inch sanding bands(80 grit) 20 * 3/8 Inch sanding bands(120 grit) 20 * 3/8 Inch sanding bands(240 grit) 20 * 1/4 Inch sanding bands(80 grit) 20 * 1/4 Inch sanding bands(120 grit) 20 * 1/4 Inch sanding bands(240 grit) 2 * 1/2 Inch drum mandrels 2 * 3/8 Inch drum mandrels 2 * 1/4 Inch drum mandrels Note Please wear professional goggles to protect your eyes, because maybe there are flying grits when the sanding drum turning at high speed. The sanding drum will be attritted more quick on metal surface, please replace sleeves timely in order to acheiving the better sanding effect.