Compare the specs of the Hammer Black Widow Black/Gold and Hammer Onyx Vibe 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 Black/Gold | Onyx Vibe |
| Cover Name | Aggression Hybrid | CT Reactive Max |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 500 / 1000 Abralon / Powerhouse Factory Finish Polish | 500 / 2000 Abralon / Powerhouse Factory Finish Polish |
| Color | Black / Gold | Black Sparkle |
| Core Name | Gas Mask | Vibe |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.50 | 2.51 |
| Total Diff. | 0.058 | 0.042 |
| Int. Diff. | 0.016 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |