Compare the specs of the Hammer Purple Solid Reactive and Hammer Black Widow Urethane Pink Pearl 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 | Purple Solid Reactive | Black Widow Urethane Pink Pearl |
| Cover Name | Reactive Solid | Urethane Pearl |
| Cover Type | Reactive Solid | Urethane Pearl |
| Box Finish | 500 / 1500 SiaAir | 360 / 800 SiaAir |
| Color | Purple | Pink Pearl |
| Core Name | LED | Gas Mask |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.586 | 2.500 |
| Total Diff. | 0.027 | 0.058 |
| Int. Diff. | 0.000 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |