Compare the specs of the Hammer Envy Tour Pearl and Hammer NU Blue Hammer 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 Tour Pearl | NU Blue Hammer |
| Cover Name | HK22 – Envy Pearl | Not Urethane |
| Cover Type | Reactive Pearl | Not Urethane |
| Box Finish | 500 / 1000 / 1500 SiaAir / Factory Compound | 500 / 1000 SiaAir |
| Color | Chrome | Bad Ass Blue Pearl |
| Core Name | Obsession Tour | LED |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.469 | 2.586 |
| Total Diff. | 0.034 | 0.027 |
| Int. Diff. | 0.013 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |