TITANIUM IRON SETS, TaylorMade, Callaway, Tommy Armour, Spalding TopFlite, Ping etc, Years ago the club manufacturers made iron sets with TITANIUM HEADS and they were EXPENSIVE, Now you can buy them used at reasonable prices, Benefits are lighter, harder, larger club heads, larger sweet spots, easier to hit and play, hit farther, more accurate, grooves last longer, etc, etc. TaylorMade Ti Bubble 2 irons 3-PW $240.