Hammer
TNBA Chalk
The Hammer TNBA Chalk is a pearl reactive bowling ball with the Raw Hammer Assault core. RG 2.480 and differential 0.056 at 15 lb. For medium oil. No longer made.
The Chalk is a limited production ball and raises awareness of The National Bowling Association (TNBA). With every Chalk ball we sell, we make a financial contribution to the TNBA. This money is used to further our sport and fund their Junior Scholarship Program.
Specifications
- Coverstock
- GTR Pearl
- Cover type
- Pearl reactive
- Core
- Raw Hammer Assault
- Factory finish
- 500-1000-2000-Factory Finish Polish
- Lane condition
- Medium oil
- Color
- Red / Purple / Blue
- Weights
- 16–10 lb
Own the Hammer TNBA Chalk?
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Core numbers
|
Weight
|
RG
|
Diff
|
|---|---|---|
| 16 lb | 2.490 | 0.051 |
| 15 lb | 2.480 | 0.056 |
| 14 lb | 2.510 | 0.055 |
| 13 lb | 2.530 | 0.055 |
| 12 lb | — | — |
| 11 lb | 2.620 | 0.031 |
| 10 lb | 2.720 | 0.031 |
Core: Raw Hammer Assault
Balls like the TNBA Chalk
Current balls from any brand with the closest RG, differential, cover and lane condition: an alternative, or a second ball that reacts alike.
