Hammerheads can't get enough of urethane - Meet Hammer Black Pearl Urethane!
Hammer is happy to release their latest to the world of Urethane in bowling: Black Pearl Urethane. Featuring the Urethane Pearl 78D coverstock, finished at 500 Siaair Micro Pad, this ball will provide a smooth arcing motion that you've come to expect from urethane bowling balls.
Inside, the LED symmetric core, as featured in the Purple Pearl Hammer Urethane, will provide a clean, reliable motion on drier lane conditions.