"The Mizuno Pro 241 is a pure shot maker muscle back with mass built up in the middle after impact. The speed off the face is fast and the feel at impact is satisfying. Improved performance is the result of historical research with grain flow forging plants.Grain Flow Forged HD (High density): From a single billet of 1025E mild carbon steel in Hiroshima Japan for unmistakable Mizuno feel through impact. Optimized graduated Tapered Blade: Provides more penetrating ball flight as loft increases, fine tuned sweet spot height and CG distance throughout the set.Thicker Muscle Behind Impact: HIT tested sound / feel.Copper Underlay: Provides incremental softer impact feel.Tour proven sole: A narrower, cambered sole requested by many players during prototype testing.Full Satin Brush Finish: Nickle Chrome Satin Finish for sophisticated look with glare reduction.スペックCLUBLENGTHSWING WEIGHTLOFTLIEBOUNCEOFFSET3i39.0D22159.530.1024i38.5D2246030.0985i38.0D22760.530.0946i37.5D2306140.0917i37.0D23461.550.0878i36.5D2386260.0839i36.0D24262.570.079PW35.50D3466380.075"