PHAZE EX enters a whole new realm of intensity. The VelocityT core of Phaze EX is a core that plays an important role in the Storm lineup, with low RG and high differential. It is the preferred configuration of professional athletes around the world. The cover stock of Phaze EX is Storm Nanotechnology 2. Combined with the generation NRG-2TM Pearl coverstock and VelocityTM core, it reacts strongly where it is most needed. It is rated as the perfect combination of midrain lead and angle of incidence. Bowling science is that a ball that rolls toward the pin produces a better carry than it hooks at the pin. Phaze EX The longer you hold it in your hand, the more likely your carry odds will definitely skyrocket.Tech Specs:- Coverstock: NRG-2 Pearl Reactive- Weight block: Velocity Core- Finish: 1500 Grit Polish™- Color: Blue/Red/Silver- Flare Potential: 4 - 5 inches- Fragrance: Green Apple- Weights: 14-15 LbsSpecifications:- 15 LB: RG 2.48, Diff 0.051- 14 LB: RG 2.53, Diff 0.050