Hammer Hardcore Grind Bowling Ball

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Get hardcore with the grind! Hardcore hammer grind features a new core shape with our legendary Violent Reactive Coverstock (Widow Cover) to give you a strong, but controllable hook on medium oil lane conditions.

COLOR: Black/Green (Actual ball color may vary.)
COVERSTOCK: Violent Reactive
CORE: Bullet Core
FACTORY FINISH: 800-800-1000-1000-Polish
BEST LANE CONDITION: Medium Oil
HOOK: 16

RG / DIFFERENTIAL
#10 RG (2.72) Diff (.031)
#11 RG (2.62) Diff (.031)
#12 RG (2.60) Diff (.039)
#13 RG (2.53) Diff (0.55)
#14 RG (2.58) Diff (.047)
#15 RG (2.56) Diff (.045)
#16 RG (2.57) Diff (.029)