GTR IV Hybrid Coverstock
Widow Nasty Symmetric Core
| 16 lb | 15 lb | 14 lb | 13 lb | 12 lb | |
|---|---|---|---|---|---|
| RG | 2.57 | 2.56 | 2.59 | 2.53 | 2.6 |
| Diff | 0.054 | 0.054 | 0.047 | 0.055 | 0.039 |
| Length | 81% | 75% | 94% | 56% | 100% |
| Flare | 87% | 87% | 71% | 89% | 53% |
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Factory Finish:
800, 2000 Abralon Polished with Powerhouse Factory Finish Polish
From Hammer:
The Spike uses a high RG, high Differential core system that gives Hammer bowlers a new look at conquering drier lanes. Combined with the new carbon fiber outer core this ball is unstoppable. With our new technology we include a new 3-year warranty.