Product Description Our beloved Storm Tropical line has evolved again! The all-new Surge Core, with a boosted differential paired with our dependable Reactor formula will give you the curve you’ve been craving for. Six exciting colors and fragrances will appeal to just about anybody.Color: Purple PearlCoverstock: Reactor Pearl ReactiveWeight Block: Surge CoreFactory Finish: Reacta GlossFlare Potential: 2 – 4 (Medium-Low)Radius of Gyration (RG): 2.58Differential (Diff): 0.024Fragrance: GrapeWeightRGDiff.162.570.025152.580.024142.600.025132.620.021122.640.020