Compare the specs of the Hammer Effect and Hammer Pure Envy 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 | Effect | Pure Envy |
| Cover Name | HK22 – Cohesion Pearl | HK22 - Cohesion Hybrid |
| Cover Type | Reactive Pearl | Reactive Hybrid |
| Box Finish | 500 / 1000 / 1500 SiaAir / Factory Compound | 500 / 2000 SiaAir |
| Color | Maroon / Blue / Black / Purple | Black / Pink / Purple |
| Core Name | Huntsman | Launcher |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.470 | 2.505 |
| Total Diff. | 0.050 | 0.055 |
| Int. Diff. | 0.017 | 0.021 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |