- bowwwl
- Bowling Ball Database
- Roto Grip
- Coverstocks
- High-Impact Pearl Urethane
High-Impact Pearl Urethane
Type
              Urethane Pearl
          Balls with the Roto Grip High-Impact Pearl Urethane Coverstock
| Ball | Release Date Sort ascending | Core | RG | Diff | MB Diff | US/Overseas Release | Discontinued | |
|---|---|---|---|---|---|---|---|---|
|   | Retro RG Spare | Storm Traditional 3-pieceSymmetric | 2.690 | 0.006 |