Polish Your Ball SMart Solar Combo The SMarT Combo with both the SMarT Star & SMarT Sun Tools. The unique patented design of the SMarT Star & Sun * Sands and Polishes all types of bowling ball coverstocks. * Uses the Orbit Rotating Ball Holder to produce a Factory-Like scratch pattern. Is portable, use at home or on the road. To see a demonstration on the use of SMarT Tools copy & paste this link: https://youtu.be/dc9RRIVg_7I