Yonex ezone elite irons the best by far the new ezone elite is the latest in high quality performance from yonex octaforce technology now in the club face as well as crown provides a lower and deeper centre of gravity to give you more repulsion lower spin and a higher launch for greater distance m60 light shaft weight reduced by 3g means additional energy transfer for pure ball striking and increased acceleration octaforce technology exclusive to the ezone elite range innovative octaforce