Polish Your Ball SMarT"Orbit" Rotating Ball Holder The unique patented design of the SMarT Orbit: Has an Aluminum Base with 100 Chrome Steel ball bearings and an ABS plastic ball cup. Makes cleaning bowling balls an easy job at the end of bowling. Makes surface adjustments during pratice a quick process. To see a demonstration on the use of SMarT Tools copy & paste this link: https://youtu.be/dc9RRIVg_7I