StrikeStack
Ball library
Hammer Zero Mercy Pearl bowling ball

Hammer

Zero Mercy Pearl

Released November 2025

Medium OilLate HookAngular
Hook strength
6/10

Specs

Coverstock
HK22C2 Pearl Pearl Reactive
Core
Super Offset Asymmetric
RG
2.524
Differential
0.053
Intermediate diff (mass bias)
0.020
Factory finish
500/1000/1500 Siaair, Crown Factory Compound
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.

Balls that react like the Zero Mercy Pearl

More from Hammer