Great for sanding and/or polishing your bowling to get the perfect ball surface. Ideal for tournaments, for high school teams, collegiate teams, states, nationals. Made from virtually indestructible nylon Precision machined bowl eliminates wobble Protective cap to shield motor from dirt and debris Premium weatherproof bearing shafts to withstand every day torture Heavy duty switch for lasting reliability 5 year warranty parts and motor 8' supply cord 115 Volt operation Completely portable Made in the U.S.A. Includes the "How To Reach Your Maximum Strike Potential" manual and DVD.