Check the listing for details. Bowling Ball Spinner Sanding Cup, SMarT Sun Basic, for Ball Spinners. Color: Black, Condition: New. Listed at 49.99 USD. "SMarT Sun Basic" Bowling Ball Maintenance Surface Management Tool The "SMarT Sun" makes sanding and polishing with a ball spinner faster and cleaner. Improved contact between the abrasive pad and the bowling ball’s surface creates a more consistent finish and reduces time spent sanding plus no more dirty, wet hands. For polishing, slip a terry cloth bonnet over SMarT Sun. * Perfect for the do-it-yourself bowler who wants to perform bowling ball maintenance at home. * Use with your ball spinner. * Keeps your hand away from the dust or wet residue inherent with resurfacing. * Use 6" Abralon or SIA Pads. * Velcro strips allow quick change of Abralon or SIA Pads. * Allows equal pressure on the ball surface. * The contour of the cup prevents streaking or flat spots caused by uneven hand sanding. * Install a Terry Cloth Bonnet over the cup for polishing. Comes with the SMarT Sun cup, and a Terry Cloth Bonnet for polishing. Spinner not included. See why you need to perform routine Bowling Ball Maintenance! Copy and Paste this link: https://youtu.be/ur4Ep4Lz8DM See how the SMarT Sun is used with a Ball Spinner copy & paste this link: https://youtu.be/yVJRFo6Zd2Q To see a demonstration on the use of other SMarT Tools copy & paste the following link: https://youtu.be/dc9RRIVg_7I