HOLLOW AND CAVITY BACK DESIGN The Launcher UHX Irons deliver a completely new way to  approach one complete set of irons. Players who prefer the  look of a traditional iron but prefer the forgiveness of a hybrid  will find the perfect blend of distance and accuracy withUHX long irons. In the scoring clubs, the cavity back design allows avid golfers to maximize their scoring capabilities and improve their shots into the green. KEY INNOVATIONS HOLLOW AND CAVITY BACK CONSTRUCTION Hollow long irons provide more forgiveness with lower,  deeper weight distribution, while cavity back short irons  provide more control when attacking the pin. VARIABLE HIGH STRENGTH STEEL FACE A variable high strength HT1770M steel face insert delivers  explosive ball speeds for increased distance, even on heel  and toe impacts. V-SHAPED SOLE Featured in both the cavity back and hollow designs, the  V-Shaped Sole improves turf interaction for better speed  retention at impact. TOUR ZIP GROOVES Tour Zip Grooves and Laser Milling deliver maximum spin for optimal control throughout the Launcher UHX Irons.