The Tenacity Grit combines our URG coverstock with our Tenacity Low RG asymmetrical core that combines power and versatility all in one ball. The Tenacity Grit will be valued by league bowlers and tournament players for it’s strong mid-lane and powerful backend. The Tenacity Grit will produce strong mid-lane motion and backend with outstanding pin carry on medium oily lane conditions. Clean your ball with Brunswick’s Big B Bowling Ball Cleaner after every use to reduce oil absorption.