Exotics C723 This ultra-premium player†s distance iron loaded with tech like the revolutionary VIBRCOR technology and Tour Edge†s breakthrough Diamond Face VFT technology that gives these irons incredible power and feel. VIBRCOR Technology The high-grade TPU gel injection: VIBRCOR is injected into the hollow-body cavity produces faster ball speed, dampen sound and shock at impact and to create perimeter weighting around the entire clubhead for maximum forgiveness and power off the face. VIBRCOR treatment creates the feel of a full flush cavity iron in a sleek, extremely long and forgiving iron head that has the support, sound and feel of a forged iron in a player†s distance iron body. Diamond Face VFT The mini trampolines that make-up Diamond Face VFT create faster ball speeds and an expanded sweet spot. The full-face increase in Diamond Face VFT coverage to the extreme heel and toe coverage ball speed on off-center hits while also greatly aiding forgiveness on these strikes. VIBRCOR Filled Cavity A high-strength forged Military-Grade Maraging Steel Face is plasma-welded onto a 17-4 stainless steel body. This ultra-high-strength steel is used to produce a significantly thinner face, the thinnest in an Exotics iron to date. It also helped dramatically increase face flex across a greater surface area of the club face. The L-Cup Face acts as a hinge designed to improve accuracy and protect off-center ball speed. Hollow-body Design with Player Preferred Shaping This hollow-body iron design of the Exotics C723 Iron offers extreme perimeter weighting to create the distance and forgiveness of a metalwood combined with the feel and control of a forged iron set. The hollow body design allows for increased face flex, and ability to have a thinner face and a deeper CG in a thin-sole iron design.