Compare the specs of the Hammer Envy and Hammer Purple Solid Reactive 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 | Envy | Purple Solid Reactive |
| Cover Name | Envy Solid | Reactive Solid |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 500 / 1500 SiaAir | 500 / 1500 SiaAir |
| Color | Black / Red / Orange | Purple |
| Core Name | Launcher | LED |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.505 | 2.586 |
| Total Diff. | 0.055 | 0.027 |
| Int. Diff. | 0.021 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |