Wilson Staff D-100 ES 4-PW, GW Combo Iron Set with Graphite Shafts Right Light technologyoptimizes grip, shaft and headto allow you to swing faster with the same effort Larger, more round hybrid and iron club heads feature Exoskeleton technology to maximize MOI and forgiveness Refined length spacing between the hybrids and the irons creates optimal launch and spin and consistent club-to-club distance gapping A set makeup of 4, 5, 6 hybrids and 7-PW, GW These irons are perfect for the super game improvement Distance (D) player wanting maximum distance and forgiveness