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