You won't find a more aggressive piece in the Hammer line, and this one's been designed exclusively for the TNBA bowler! Why? Because to be the BEST, you have to beat the rest, and The Chalk gives you the weapon you need to do just that! The Chalk's core provides great revolutions and power where you want it - in front of the pins! Our new coverstock will provide ultra-long length with a sharp, violent backend reaction.
| Line | TNBA |
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| Color | White Diamond/Silver |
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| Coverstock | |
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| Core | 2-piece Asymmetrical |
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| RG | 2.44 |
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| Differential | 0.049 |
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| Intermediate Diff | n/a |
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| Factory finish | 4000 Abralon and Polished with Powerhouse Factory Finish |
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| Weights | 14 thru 16lbs |
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| Cleared USBC | Yes |
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