An ideal starter kit! The Raytech Tumble-Vibe TV-5 Vibrating Rock Tumbler Kit includes everything you need, including one of our most popular vibrating tumblers, used by hobbyists and even professionals. The TV-5 Vibrating Rock Tumbler has an 8-inch diameter bowl that can process about 4 pounds of stones or jewelry quickly and efficiently. This kit includes a 4-step polishing kit: Silicone Carbide 100/1200 and 700F abrasives, Iolox 50 pre-polish and Raybrite TL polish, enough to process 8-15 pounds of stone right out of the box. An extra bowl is also included for ease and efficiency. Raytech tumblers are backed by a one-year warranty. About Raytech Industries Raytech Industries, a division of Lyman Products Corporation, specializes in the manufacture and sale of high quality gem cutting, polishing, finishing equipment and accessories for everyone; from the hobbyistto the industrial user. * Vibrating rock polisher starter kit * Economical and versatile * Holds 5 lb. of rock or 25 ring castings * Cyclonic effect moves objects throughout bowl * Kit includes GSH-2 4-step polish grits * Stone finishing kit will process 8-15 pounds of stones * Bowl diam. 8 inches * Extra bowl included * New, convenient, solid lid * Efficient 115V motor * 1-year warranty Note: We do not recommend using anything coarser than 120/220 in a vibratory tumbler.