Ball Color: Pitch BlackCoverstock: Controll Solid UrethaneWeight Block: Capacitor CoreFactory Finish: 1000-grit PadRadius of Gyration (RG): 2.57**Differential (Diff): .022** ** RG and Diff are based of 15 lbs ballsFlare Potential: 2 (Medium-Low)Recommended Lane Condition: Light or shorterFragrance: n/aDescription: With nearly 25 years of experience manufacturing high performance balls, Storm is the bowlers company. Storm knows what you need, and we are here to help. We are here to help you conquer all types of lane conditions, ranging from the deepest seas of heavy oil to the dry lake beds of the Sahara desert. Speaking of bowling in the desert, the Pitch Black is sure to satisfy even the thirstiest camel. Storm looked back to proven technology of yesterday and developed a new spin on it with the porous and predictable new Controll solid urethane coverstock. Its durable, consistent, and just what you need on rough, wood lanes and shorter oil patterns. Its midlane roll with tons of control! The Capacitor Core helps regulate your flare potential, making you the ultimate master of your ball motion. Higher rev players and those with slower speeds are going to love this shape as it is a true-rolling masterpiecepure predictability at its finest.