Hammer Black Pearl Urethane Weight:14lbs LEVEL Tropical PART NUMBER BBMTQY Base dimension when sitting LEVEL Tropical PART NUMBER BBMTQY COLOR(S) Black Cherry CORE Surge Core (Symmetrical) COVERSTOCK Reactor Hybrid COVER TYPE Hybrid Reactive FINISH 1500 grit Abralon Polished FLARE Med DUROMETER 74 76 on D Scale LANE CONDITION Light to Medium Light Oil FRAGRANCE Cherry WEIGHTS 10 16 lbs RELEASE DATE 05 03 19 WARRANTY Storm 1 Year Limited Warranty deeper bolstering for virtually zero ball movement our pros have proven that we knocked it out of the park with this new 78D urethane ball Our pros who have tested the Black Pearl Urethane see this ball four boards less with their feet and two boards with their eyes and were able to use straighter angles through the front part of the lane