Cleveland Cg4 Tour Irons 3-pw With Stiff Steel Shafts! these Are Used, Condition - 7/10. cleveland Cg4 Tour Irons Steel a New Breakthrough Material Has Emerged For These Cg4 Irons, 10% Less Dense Than Steel Yet Just As Hard, Dampens Vibration, And Offers A Pure Soft Feel Never Before Achieved. if You've Come To The Realization That You Were Possibly Born Feel-deficient, The Cg4 Irons From Cleveland Golf Are Here To Save Your Game. made From Cleveland Golf's Own Cmm Metal, The Cg4 Irons Have 17 Times More Carbon Than Traditional Steel For Greater Vibration Absorption And Is Also 10% Less Dense Which Allows For 25 Grams Of Weight To Be Redistributed To Areas Of Greater Benefit. These Two Features Work Together To Create A Golf Club That Will Give You A Ball Hitting Experience You've Simply Got To Feel To Believe. the Extraordinary Benefits Gained By Using The Cmm Metal Are Compounded By The Club's Design. Cg4 Irons Feature A Cavity Back, Which Gives Them A Larger Sweet Spot For Added Forgiveness On Off-center Hits. These Irons Also Come Standard With Cleveland Golf's Patented V.a.s.® Technology To Help Further Reduce Unwanted Feedback.