Dual Club Head material + Grain Flow Forged HD - Chromium molybdenum 4120 STEEL on #4-#7 & 1025E mild carbon steel on #8-PW,
Single Piece Grain Flow HD Club Head - No welding face .
Black Milled Micro-slot - Optimized back milling untuk higher launching long iron, tighter dispersion mid iron, dan seamless flow form short iron,
Higher COR Clubs Face - Chromium moblybdenum steel (SCM420) +1025E Mild Carbon Steel
Precisely Beveled Sole- The trailing edge is precisely beveled to create an effective sole width of a true player's shallow cavity, tour level iron
Harmony Impact Technology - Solid sound
Copper Underlay- Softer Feel when impact.