Condition : Single Drill. Thumb Plugged. Hammer Black Widow Red Solid Urethane Overseas Bowling Ball The best urethane cover since the 80’s wrapped around the best core of our generation is sure to make for a special ball motion! Our Urethane cover is the main ingredient in this masterpiece. Unlike modern covers that produce a violent reaction at the breakpoint, this proven staple is all about giving the user ultimate control of the entire lane. The immediate success of our real, thick shelled Red RS Urethane had our fans begging for more! To satisfy their desires, we have developed the perfect combo, thick shelled coverstock to compliment the Black Widow’s legendary Gas Mask core . Old school technology with new school hitting power. Because nothing hits like a Hammer. Overseas bowling balls are approved for all sanctioned USBC league and tournament play, but may not approved for PBA competition. Please check all rules and regulations before competition. Hammer Gas Mask Core Specs Weight Radius of Gyration Differential Intermediate Differential (MB) 12lbs 2.612 0.043 0.011 13lbs 2.589 0.043 0.011 14lbs 2.50 0.056 0.016 15lbs 2.50 0.058 0.016 16lbs 2.51 0.048 0.015 BRAND BOWLING BALL CORE SHAPE BOWLING BALL CORE NAME BOWLING BALL COVERSTOCK TYPE BOWLING BALL COVER NAME RADIUS OF GYRATION: RG (15LB) DIFFERENTIAL: DIFF (15LB) MASS BIAS STRENGTH FLARE POTENTIAL SURFACE FINISH BALL LANE CONDITIONS BALL WEIGHT , , , BALL PERFORMANCE LEVEL , BOWLING BALL COLOR SCENT
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