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