900 Global Sublime Focus Bowling BallColor:Xanthix/Indigo/BlackCoverstock: Reserve Blend 804 Solid ReactiveWeight Block:Immersed Symmetric AI CoreFactory Finish:2000-grit AbralonFlare Potential:Medium-HighRadius of Gyration (RG):16lbs – 2.47; 15lbs – 2.47; 14lbs – 2.49Differential (Diff):16lbs – 0.051; 15lbs – 0.056; 14lbs – 0.050Intermediate Differential (Diff):n/aFragrance:N/AAdditional product information:This Solid Reactive Reserve Blend is the strongest reactive ball 900 Global has ever created, perfect for speed dominant players or tournament bowlers seeking a powerful symmetrical reaction.