The PING G25 8pc. Iron Set with Steel features long-irons with great forgiveness and short-irons with great control. The irons have a sleeker profile and narrower sole with stabilizing bars for distance control. Re-engineered Custom Tuning Port (CTP) is designed into to sole, lowering the mass and positioning for CG for higher launches and more forgiveness on mis-hits. The set is made of 17-4 stainless steel with elastomer cavity badge.