Vibe is a great choice for the first-time Hammer bowler and serves as the #1 weapon in the Hammer product line for battling dry lane conditions. Featuring a performance core and the new Max-Flip Reactive coverstock, Vibe delivers excellent length and good backend.FEATURES: Coverstock: Max-Flip ReactiveWeight Block: PerformanceBall Color: Emerald Green RG Differential: .039 (Medium) on a scale of .000-.080 Low Flare-High FlareRG Average: 2.51 (Low) on a scale of 2.43-2.80 Very Low-High Break PointRecommended Lane Conditions: Dry