FEATURES Expertly forged from premium 1025 carbon steel for unmatched feel and precision Co-Forged Internal tungsten weighting and CMC (Ceramic Matrix Composite) in the #4 thru #8 irons provide precise vertical and horizontal cg locations to produce tour preferred feel, trajectory and distance control CNC milled face ensures face flatness for more consistency CNC milled Multi-Groove technology places more CNC milled square grooves on the face for improved consistency, trajectory and spin Minimal, progressive offsets and thin top line widths provide a traditional look at address