StrikeStack
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Hammer Special Effect bowling ball

Hammer

Special Effect

Released March 2025

Heavy OilMid HookAngular
Hook strength
8/10

In 3 StrikeStack bowlers' arsenals

Specs

Coverstock
HK22C - Cohesion Solid Solid Reactive
Core
Huntsman Asymmetric
RG
2.470
Differential
0.050
Intermediate diff (mass bias)
0.017
Factory finish
500/1000/1500 Siaair, Crown Factory Compound
Released
March 2025

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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