The titleist ap1 irons have been designed for golfers seeking maximum distance and maximum forgiveness the irons have a list of benefits listed belowplayer benefitsspeed launch and distance enhancementeven more speed and distance from strong loftsboosted launch from the high density tungsten low cg designeven more ball speed off center from the high density tungsten high moi design providedexact flight through the set from the optimized cg progressionfast through the turf with le