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Choose the STone and you get a particle coverstock used by the pros - we call it "Hy-Tec" - and a familiar core with a high density power stone. The STone is designed to roll through oil with maximum lane friction and crush the pins like a rock. This ball delivers TECnology to your game.

Color Earth Red
Coverstock Particle
Core 2-piece
RG 2.547
Differential 0.042
Intermediate Diff n/a
Factory finish Matte
Weights 12 thru 16lbs
Cleared USBC Yes