Hammer Big Block Diesel Bowling Balls

Big Block Diesel is the most hooking reactive resin ball in the Hammer line. Featuring the high-revving original Diesel core and reactive coverstock, Big Block Disel gets started in the mid-lane and continues with a strong hook motion to the backend.

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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