The ZR 3.0 irons feature a combination of forgiveness and workability that is rarely seen. These irons are perfect for golfers who are improving and would like to have irons that they can begin shaping shots with, without giving up distance on poor shots. High quality stainless heads provide the durability that you expect and contribute to performance as well. ZR 3.0 Iron Set – 3 thru PW Steel Shafts and Pro Line Grips