XXIO 11 6 Iron 25* Graphite MP1100 Stiff Flex Left Hand Flex:Graphite Stiff INTERCHANGEABLE SOLE WEIGHTS Interchangeable Weights Golf Clubs INTERCHANGEABLE SOLE WEIGHTS Interchangeable Weights on the sole of all three designs offer the option of adding or subtracting more overall weight to the heel and toe of the clubhead to obtain preferred feel New and improved UV protected Matte Finish Coating XXIO Eleven Irons provide lightweight performance for moderate swing speed golfers seeking reliable shots on every swing The effect is a smooth and easy swing that also helps you consistently find the ideal top of swing position for more power