The Pearl Stomp features Track's new Powerplus III coverstock which helps get the ball further down the lane giving it the sharpest angle of entry of any current Track ball on medium lane conditions. In addition, the ball uses Track's best selling core design ever, Core 2 Technology (Elite, Elite Pearl and Contender).
The specifications are: Ball Construction: Multiple-Density Three-Piece; Recommended Lane Condition: Medium Oil; Hook Rating: 16 (On Track's Ball Reaction Chart); Flare Potential: Medium; Core Design: Core 2 Technology; Radius of Gyration: 2.503; Differential: .0476; Coverstock: Powerplus III; Color: Green Pearl with Yellow logo fill; Finish: Polished; Pin Placement: 0-5 inches; Hardness: 76-78; Weights: 10-11 lbs. (traditional pancake core design), 12-16 lbs. (Core 2 Technology).