| Differential | .050 |
|---|---|
| Color | Black, Blue, Purple, Red |
| Coverstock | Reactive |
| Core Type | Asymmetrical |
| Vintage | No |
| Brand | Hammer |
| Lane Condition | Medium-Heavy |
| Association | United States Bowling Congress (USBC) |
| Unit Type | lb |
| RG | 2.47 |
| Ball Type | Ten-Pin Bowling Ball |
| Model | Hammer Special Effect |
| Features | Drilled |
| Performance | High Performance |
| Sport/Activity | Bowling |
| Finish | 1500 Grit |
| Item Weight | 14 lbs 15.5 oz |
| Country of Origin | United States |
Check the listing for details. Hammer Special Effect Bowling Ball 15 lbs Preowned Span 3 9/16 Inches. Color: Black, Blue, Purple, Red, Condition: Used, Made in United States. Listed at 80.00 USD. Weighing 15 lbs 15.5 oz, this ball features a. 050 differential and a 1500 grit finish, making it ideal for competitive bowling. The bowling ball has been drilled once.