Coverstock: PowrKoil 17 Reactive Ball Color: Black/Purple All colors do vary somewhat from the picture shown. Ball Finish: High Gloss Polish Hook Potential: 70 (Medium) on a scale of 10-175 Low-High Length: 155 (Late) on a scale of 25-235 Early-Late RG Differential: 0.041 inches RG Average: 2.704 (High) on a scale of 2.43-2.80 Very Low-High Break Point Breakpoint Shape: 75 (Angular) on a scale of 10-100 Arced-Angular Recommended Lane Conditions: medium-dry to medium-oily Description: Reactive coverstocks respond more aggressively to dry lane surfaces, increasing back-end hooking action and hitting power. All Power Groove reactive balls feature PowerKoil 17, the strongest reactive coverstock ever used on Groove class ball and Brunswicks DISC (Differential Increasing Side Cylinders) core technology.
Spotlight customer reviews:
Customer Rating: Summary: Great Ball Comment: This ball has improved my game immensely..after spend a year trying to use bowling alley balls to hook bowl, i finally picked up this ball. the first game after i bought it i bowled thirty points higher than my usual score. the second time i bowled 60 points better than my best score. i reccomend this ball to anyone trying to learn how to hook bowl.