Won't alter the surface of your ball/Non Abrasive

Perforated Blucher upper pattern for adjustable fit

Color: Navy/Sky/Red

Hammer Web M

These core changes and the Textured Solid (TS1) additive make the Informer a stronger down-lane solid cover performer

Hammer Purple Pearl Urethane Bowling Ball Type_Men Won't alter the surface ofOften imitated and never duplicated this is the famous Purple Pearl Urethane, and its finally back in the Hammer line. Some skeptics said the original Black Widow couldnt be duplicated, and it just happens to be one of the hottest balls on the market six months after its release. Theyll say the same thing about the Purple Pearl Urethane, and theyll be wrong again. Hammer realizes the importance of this ball and has done extensive testing to make sure