StrikeStack
Ball library
Hammer Black Widow Assassin bowling ball

Hammer

Black Widow Assassin

Released February 2014

Heavy OilMid HookAngular
Hook strength
8/10

Specs

Coverstock
NBT Solid Solid Reactive
Core
Gas Mask Asymmetric
RG
2.500
Differential
0.058
Intermediate diff (mass bias)
0.016
Factory finish
500/500/500/1000 Abralon, Powerhouse Factory Finish Polish
Released
February 2014

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 Black Widow Assassin

More from Hammer