Hammer Extreme Envy Bowling Ball Select Weight:14 lbs. firmer design of the Robby's

firmer design of the Robby's Plus

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BSI Mens Sport #810 Black Charcoal

The Squatch Solid also features the incredible DynamiCore technology

This ball contains a performance core that will help pick up spares but will also help with strikes when you need a straighter ball

Hammer Extreme Envy Bowling Ball Select Weight:14 lbs. firmer design of the Robby'sHammer Extreme Envy Bowling Ball Hammer has created the strongest Hammer bowling ball ever as the Extreme Envy Bowling Ball. It started with the new asymmetric Launcher core that is packed with impressive features. The Launcher core has both a flip block and our exclusive radial disc technology; these components move mass away from the center, creating an increased imbalance for a stronger reaction throughout the lane. Performance: Mid Performance