Storm Bowling Neutron Physics No explanation needed!!! Introducing the Neutron Physics, the definitive and incredibly popular ball from Storm! This ball features a hybrid solid coverstock that is a perfect match for medium-oily lane conditions. It covers a wide range from oily to medium-oily lanes! Cutting-edge technology that meets Norm Duke's request to "minimize ball changes." Pin action that doesn't fade, even without high speed. A collaboration with a core that handles wide angles. A rolling control model that represents Storm's prestige. A masterpiece that's hard to find even used! A masterpiece that surpasses all current balls! 15p0oz Span: 4 3/16 inches Thumb Hole: 29/32 inch Finger Holes: 31/32 inch Plugs: None Balance Hole: None Used for less than 30 games, the masterpiece Neutron (Our club's rating: AAA) Please understand that we cannot accept claims regarding the appearance of this used item. This is a one-of-a-kind item, and we cannot accept returns or exchanges. It is also available in our store, so please understand that it may not be available depending on the timing.