Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Ebonite Tornado - Black Sparkle
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Hammer Black Pearl Urethane
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Hammer Purple Pearl Urethane
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ProBowl Stallion
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|---|---|---|---|---|
| Brand | Ebonite | Hammer | Hammer | ProBowl |
| Line | — | Mid | Mid | — |
| Coverstock | Super Tack Plus reactive resin | Urethane Pearl 78D | Urethane Pearl | Solid Urethane |
| Cover type | — | Urethane | Urethane | Urethane |
| Core | Full size pancake with offset, high tech flip block | LED | LED | Grenade |
| Core type | — | Symmetric | Symmetric | — |
| RG | 2.650 | 2.650 | 2.650 | 2.646 |
| Diff | 0.020 | 0.015 | 0.015 | 0.029 |
| Int. diff | — | — | — | — |
| Factory finish | — | 500 Siaair Micro Pad | 500, 1000, 2000 Siaair Micro Pad | 1000 grit Abralon |
| Lane condition | — | Light oil | Light oil – Medium oil | — |
| Flare potential | — | — | — | — |
| Reaction | Ideal for entry-level bowlers with slower ball speeds, clean through the fronts, high tech flip block adds backend power | Smooth arc | Smooth Arc | — |
| Color | Black Sparkle | Black Pearl | Purple Pearl | Black |
| Release date | — | March 21, 2024 | July 1, 2021 | — |
| Status | Retired | Current | Current | Current |
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