High launch angle and low spinthe new xxio 9 irons feature all of xxios technologies and are even more advanced then the predecessor a ultra modern 5 piece head design 4 7 including the heavy nickel sole weight and two high density inner weights strategically placed in the heel and toe has the lowest center of gravity in xxio history and the highest moi improved carry distance more accuracy easy launch and equipped with the new mp900 shaft makes these irons your trusted companions on the