2017 ONOFF FORGED IRON KURO Limited Edition: Shafts from the model used by professional golfer Shinzo Katayama. PROTOTYPE - Not available for retail sale. These shafts were made for Shinzo Katayama based on the System 3 model. For irons 5-9. Since he used a 46-degree wedge for the pitching wedge (P), the shortest shaft can be used in a wedge with a longer neck to match the lengths. If you put it in a standard set's P, the overall length will be shorter due to the shorter neck. - Manufacturer: Nippon Shaft - Model Name: NS PRO PROTOTYPE Shinzo 385-03 X - Quantity: 6-piece set (5-9 irons and wedges) - Material: Steel There are no foreign objects inside the shafts. They are clean, but they are used, so please understand this before purchasing. Thank you for looking.