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It’s been a long-time since we’ve tested a ball like the Proof. A ball that looked great for everyone regardless of style and bowlers all over the world have confirmed this. While the Proof is known as a great ball, we are excited to follow it up with the Proof Pearl, a shiny version that gives you the same great reaction, that’s intended for more medium oil lane conditions.
Weights: 12-16 pounds
Color: Black / Smoke Pearl
Coverstock: Forged Solid
Cover Type: Solid Reactive
Core: Asymmetrical (DynamiCore)
RG 15#: 2.519
Diff 15#: 0.052
Factory Finish: 500, 1000 Siaair / Crown Factory Compound
Lane Condition: Medium to heavy oil