Compare the specs of the Hammer Black Widow 2.0 Hybrid and Hammer Extreme Envy side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Hammer | Hammer |
| Ball Name | Black Widow 2.0 Hybrid | Extreme Envy |
| Cover Name | HK22 - Aggression Hybrid | Envy CFI Solid |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 500 / 1000 / 1500 SiaAir / Crown Factory Compound | 500 / 2000 SiaAir |
| Color | Red / Black | Black / Crimson / White |
| Core Name | Gas Mask | Launcher LRG |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.500 | 2.479 |
| Total Diff. | 0.058 | 0.054 |
| Int. Diff. | 0.016 | 0.022 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |