StrikeStack
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Columbia 300 Authority Solid bowling ball

Columbia 300

Authority Solid

Released September 2020

Heavy OilEarly HookContinuous
Hook strength
10/10

Specs

Coverstock
ERT 2.0 Solid Solid Reactive
Core
Authority Asymmetric
RG
2.503
Differential
0.050
Intermediate diff (mass bias)
0.020
Factory finish
500/1000 Siaair Micro Pad
Released
September 2020

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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