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Roto Grip Dark Star bowling ball

Roto Grip

Dark Star

Released February 2010

Light OilLate HookContinuous
Hook strength
3/10

Specs

Coverstock
Ultimate Vision Pearl Pearl Reactive
Core
Photon Symmetric
RG
2.580
Differential
0.040
Factory finish
1500 Polished
Released
February 2010

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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