The Blue Dot is a harder polyester than the Columbia 300 White Dots. A harder cover allows for the slickest performance even on the driest lane conditions, making the Blue Dot the most reliable spare ball for any bowler.
| Color | Silver |
|---|---|
| Coverstock | Polyester |
| Core | 3-piece |
| RG | |
| Differential | |
| Intermediate Diff | n/a |
| Factory finish | Crown Factory Polish |
| Weights | 12 thru 16lbs |
