Core numbers are compared in one weight. Some brands only publish them for one weight.
Brunswick Fanatic BTU
|
Hammer NU 2.0
|
Hammer Purple Pearl Urethane 78D
|
ProBowl Stallion
|
|
|---|---|---|---|---|
| Brand | Brunswick | Hammer | Hammer | ProBowl |
| Line | Advanced | Mid | Mid | — |
| Coverstock | BTU (Better Than Urethane) | NU Active | Urethane Pearl 78D | Solid Urethane |
| Cover type | Urethane | — | Urethane | Urethane |
| Core | Low Differential I-Block Symmetric | LED | Super LED | Grenade |
| Core type | Symmetric | Symmetric | — | — |
| RG | 2.601 | 2.586 | 2.632 | 2.646 |
| Diff | 0.030 | 0.027 | 0.034 | 0.029 |
| Int. diff | — | — | — | — |
| Factory finish | 500, 1500 Siaair Micro Pad | 500, 2000 Siaair Micro Pad | 500 Siaair Micro Pad | 1000 grit Abralon |
| Lane condition | — | Light oil – Medium oil | Light oil | — |
| Flare potential | — | — | — | — |
| Reaction | — | Strong arc | Strong arc | — |
| Color | Steel | Matte Grey | Purple Pearl | Black |
| Release date | — | November 20, 2025 | March 19, 2026 | — |
| Status | Retired | Current | Current | Current |
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