StrikeStackBall library
Hammer Black Widow Urethane Mint Solid bowling ball

Hammer

Black Widow Urethane Mint Solid

Released May 2025

Medium OilEarly HookTraction
Hook strength
7/10
Track it in your arsenalCompare in the library

Specs

Coverstock
Hammer Solid Urethane Urethane Solid
Core
Gas Mask Asymmetric
RG
2.500
Differential
0.058
Intermediate diff (mass bias)
0.016
Factory finish
500/1000 Siaair Micro Pad
Released
May 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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