StrikeStack
Ball library
Hammer Spawn bowling ball

Hammer

Spawn

Released May 2026

Heavy OilEarly HookContinuous
Hook strength
9/10

Specs

Coverstock
HK22C2 Solid Solid Reactive
Core
Gauntlet Asymmetric
RG
2.501
Differential
0.050
Intermediate diff (mass bias)
0.012
Factory finish
500/1000 Siaair Micro Pad
Released
May 2026

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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