The Hammer Hazmat bowling ball line hasn’t been paired with a core and Solid Coverstock this potent since the Dark Web, which made the wait for this ball worthwhile. The new Hazmat Solid will provide a substantial mid-lane reaction with a continuation on the medium to heavy oil lanes. As with a Symmetrical core the Hazmat has proven effective on medium conditions where bowlers need excellent length and backend motion. The Hazmat Solid stands out as a valuable addition to the lineup that is enhancing overall traction and hook potential. Performance Level: Upper Mid Performance Color: Onyx/Lime/Purple Core: Hazmat Core Type: Symmetrical Coverstock: Semtex Solid Cover Type: Solid Reactive Finish: 500, 2000 Siaair Micropad Lane Condition: Medium to Heavy Oil Weights: 16 lbs.-12 lbs. RG: 2.479 (15 lbs.) DIFF: 0.055 (15 lbs.) , INT DIFF: N/A Warranty 2 Years from Purchase Date