Compare the specs of the Hammer Black Widow Urethane and Hammer Burgundy Hammer 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 Urethane | Burgundy Hammer |
| Cover Name | Urethane | React-a-Thane |
| Cover Type | Urethane Solid | Reactive Solid |
| Box Finish | 360 / 500 / 500 Abralon | 500 / 500 Abralon |
| Color | Black | Burgundy |
| Core Name | Gas Mask | Modified Vibe |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.50 | 2.57 |
| Total Diff. | 0.058 | 0.032 |
| Int. Diff. | 0.016 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |