Often imitated and never duplicated… this is the famous Purple Pearl Urethane, and it’s finally back in the Hammer line. Some skeptics said the original Black Widow couldn’t be duplicated, and it just happens to be one of the hottest balls on the market six months after its release. They’ll say the same thing about the Purple Pearl Urethane, and they’ll be wrong again. Hammer realizes the importance of this ball and have done extensive testing to make sure it is precisely what bowlers expect.