Ping i25 golf irons the i25 irons are engineered for a variety of skill levels withtechnology that provides versatility and forgiveness in theprogressive set design each 17 4 stainless steel head has aspecific function with regard to the center of gravity the bounce and the offset the result is highly forgiving long irons andcontrolled short irons which will bring confidence to yourshot making the foggy chrome finish and clean cavity design createvisual appeal progressive set de