Compare the specs of the Hammer Black Widow Gold and Hammer Blue 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 Gold | Blue Vibe |
| Cover Name | Semtex Pearl | CT Reactive Plus |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 500 / 1000 Abralon / Powerhouse Factory Finish Polish | 500 / 2000 Abralon / Powerhouse Factory Finish Polish |
| Color | Gold | Blue |
| 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. | |