Featuring the High Mass Bias Gas Mask Core with Flip Block and Hammer Bowling's proven Cut-Throat coverstock, The Big Deal provides strong hook in oil with aggressive backend reaction. If you are looking for a stronger ball motion at the breakpoint with plenty of hook, Hammer Bowling's The Big Deal is the answer.

The Perfect Scale®: Helping Bowlers Make Better Decisions. Because each manufacturer uses a different method for indicating a ball's hook potential, bowlingball.com developed a way for the consumer to compare bowling balls across all manufacturers.
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