StrikeStackBall library
Hammer Black Widow Clear bowling ball

Hammer

Black Widow Clear

Released September 2007

SpareNo HookStraight
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Specs

Coverstock
Polyester Polyester
Core
Pancake (Columbia/Hammer) Symmetric
RG
2.650
Differential
0.020
Factory finish
Polished
Released
September 2007

The oil, hook and strength labels are StrikeStack's estimate from the published specs, not the manufacturer's rating. Specs provided by bowwwl.com.

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