The concept for the original Advanced Performance irons arose as a result of research that indicated serious golfers want performance with great feel, not performance at the expense of feel.Golf Irons:3#--SW#;Item:TH-CI03;Material:High quality 431 S.S.,aluminum,304 S.S;Shaft:Griphite shafts and Steel shafts available;New popular design among players;golf iron Design;High performance, multi-material, dual cavity irons;Customers'brand and logo are welcomed;Competitive price and on time delivery