TaylorMade Golf M2 Steel Iron Set 6-PW (LH) Thick-thin Fluted Hosel removes 3g of extra mass for lower CG, and higher launch and ball speed 360 degree Undercut expands the unsupported face area for better ball speed across the face Increased flexibility due to an even thinner sole increases launch angle and preserves ball speed, improving forgiveness for shots struck below the center of the face. Thin Face with Inverted Cone Technology enables fast, consistent ball speeds across the face that push the limits of distance performance in an iron A light but extremely stiff 3D-badge system that manages sound and eliminates unwanted vibrations for superior feel, giving golfers a pure feeling distance iron.