Thumb Angle Conversion Pitch Chart
Thumb Angle Conversion Pitch Chart 1995 Jim Maxey s Bowling Supply Ref Mo Pinel MoRich Ent Ref Kelly Bednar Pitch 15 16 Forward 7 8 Forward 13 16 Forward 3 4 Forward 11 16 Forward 5 8 Forward 9 16 Forward 1 2 Forward 7 16 Forward 3 8 Forward 5 16 For
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