Product Description Hammer continues to provide the most complete line of bowling balls in the game, and were excited to add a big symmetric solid to the line-up. The Hammer line hasnt had a core and cover combination like this since the Dark Web, and this one was worth waiting for. The new Hammer Hazmat Solid will provide a big mid-lane read and continuation needed for medium to heavier oil conditions. Hazmat has delivered great results on medium conditions where bowlers need great length and backend from a symmetric ball; this Hammer Hazmat Solid is the ultimate compliment to the line, adding more traction and hook overall due to the strong core and Semtex Solid cover with a strong 2000-grit Siaair finish.Color: Onyx/Lime/Purple *Please note that colors may slightly vary from image shownCoverstock: Semtex SolidWeight Block: HazmatFactory Finish: 500, 2000 Siaair Micro PadFlare Potential: 5-6″+ (High)Radius of Gyration (RG): 2.479Differential (Diff): 0.055Intermediate Differential (Mass Bias): 0.000Fragrance: N/AWeightRGDiff.Interm. Diff.162.4920.0480.000152.4790.0550.000142.5010.0550.000132.5850.0400.000142.6080.0400.000