Compare the specs of the Hammer Flawless and Hammer Ruthless 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 | Flawless | Ruthless |
| Cover Name | Juiced Pearl | Juiced Solid |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 500 / 1000 Abralon / Powerhouse Factory Finish Polish | 500 / 1000 / 2000 Abralon |
| Color | Pink / Blue / White | Blue / Dark Blue / White |
| Core Name | 40 Watt | 40 Watt |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.52 | 2.52 |
| Total Diff. | 0.041 | 0.041 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |