Features 5 step forged technology j15 face insert material cnc milled face and grooves vibration management system tungsten heel toe weighted premium chrome plating centred cghead materialchrome platedbody forged 1025 carbon steel withtungsten heel and toe insertsface j 15 high strength steel insertgrip lamkin utxshaftsteel kbs tour c taper lite graphite ust recoil stiff 680 f4 regular 660 f3specifications irons loft lie offset mm length swing weight flex hand 3 19deg 605