PLAYERS PROFILE with minimal offset. Patented Extreme Polar Weight System (patent number 5,335,914) creates an extremely high M.O.I. Enhanced Twist Resistance Due to extreme polar weighting distribution. Hybrid and Iron Shafts: Rifle Black Graphite. Hybrids Included: 3i, 4i. Irons Included: 4, 5, 6, 7, 8, 9.