Compare the specs of the Hammer Extreme 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 | Extreme Envy | Purple Solid Reactive |
| Cover Name | Envy CFI Solid | Reactive Solid |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 500 / 2000 SiaAir | 500 / 1500 SiaAir |
| Color | Black / Crimson / White | Purple |
| Core Name | Launcher LRG | LED |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.479 | 2.586 |
| Total Diff. | 0.054 | 0.027 |
| Int. Diff. | 0.022 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |