The Brunswick Crown Factory Polish is great for getting your bowling ball back to its maximum potential. It will create more length and a strong flip. If you want to get your ball back to Brunswick Factory Finish then this is your go to polish. Do not worry about needing a ball spinner either, this polish will work with a cloth just as well.

Helps create great length and strong backend motion
Restores tackiness in reactive resin bowling balls
Will work on reactive, urethane and plastic bowling balls
Works well with or without a bowling ball spinner
Same polish used at the Brunswick bowling ball factory
Acceptable for use before and after USBC certified competition