Compare the specs of the Hammer Black Widow Ghost Pearl and Hammer Obsession Tour Pearl 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 | Black Widow Ghost Pearl | Obsession Tour Pearl |
| Cover Name | Aggression Pearl | TourV2 Pearl |
| Cover Type | Reactive Pearl | Reactive Pearl |
| Box Finish | 500 / 1000 / 1500 SiaAir / Crown Factory Compound | 500 / 1000 / 1500 SiaAir / Crown Factory Compound |
| Color | White | Gold |
| Core Name | Gas Mask | Obsession Tour |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.500 | 2.469 |
| Total Diff. | 0.058 | 0.034 |
| Int. Diff. | 0.016 | 0.013 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |