Compare the specs of the Hammer Black Pearl Urethane and Hammer Black Widow 3.0 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 Pearl Urethane | Black Widow 3.0 |
| Cover Name | Urethane Pearl 78D | HK22 - Aggression Solid |
| Cover Type | Urethane Pearl | Reactive Solid |
| Box Finish | 500 SiaAir | 500 / 1000 / 2000 SiaAir |
| Color | Black Pearl | Black / Orange |
| Core Name | LED | Gas Mask |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.650 | 2.500 |
| Total Diff. | 0.015 | 0.058 |
| Int. Diff. | 0.000 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |