Compare the specs of the Hammer Envy Tour Pearl and Hammer Black Pearl Urethane 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 | Black Pearl Urethane |
| Cover Name | HK22 – Envy Pearl | Urethane Pearl 78D |
| Cover Type | Reactive Pearl | Urethane Pearl |
| Box Finish | 500 / 1000 / 1500 SiaAir / Factory Compound | 500 SiaAir |
| Color | Chrome | Black Pearl |
| Core Name | Obsession Tour | LED |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.469 | 2.650 |
| Total Diff. | 0.034 | 0.015 |
| Int. Diff. | 0.013 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |