StrikeStack
Ball library
Hammer Zero Mercy Solid bowling ball

Hammer

Zero Mercy Solid

Released November 2025

Heavy OilEarly HookAngular
Hook strength
9/10

Specs

Coverstock
HK22C2 Solid Solid Reactive
Core
Super Offset Asymmetric
RG
2.524
Differential
0.053
Intermediate diff (mass bias)
0.020
Factory finish
500/1500 Siaair Micro Pad
Released
November 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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