Vertex Mold Bowling Accessories. How many times have you asked yourself or others, How are the lane conditionsThe surface of your bowling ball, along with lane conditions, can drastically effect the outcome of your game. The Vertex Personal Ball Spinner can enhance the performance of your bowling ball simply by allowing you to resurface your ball through sanding, polishing or cleaning. Get an edge on the competition and order your Vertex Personal Ball Spinner today!Computer Engineered DesignHighest Quality 12 H.P. MotorBuilt in Thermal Protector435 RPM58 Diameter Sealed BearingBelt DrivenDie cast Pulleys6' In Line Cord SwitchSuper Tough Glass Filled Nylon ConstructionSplash Guard Motor CoverWeight 21 Pounds3 Year Warranty 1 Year Full Plus 2 Years Limited