Thundering distance, fantastic sound and feel, and incredible playability make this an outstanding choice for players looking to upgrade their irons PREMIUM IRON SET - This is Ram's latest and greatest iron set pumped full of latest tech in a clean, elegant muscleback shape head, note no 6iron. DUAL MATERIAL CONSTRUCTION FOR PERFORMANCE AND FEEL - Engineered from 431 stainless steel body with a 17-4 super hot face HOT MUSCLEBACK DESIGN - Special heat-treatment delivers a forged-like effect, with fast ball speeds and more forgiveness LOWER CENTER OF GRAVITY - The hollow head design allows a lower center of gravity, giving more stability and forgiveness on off-center strikes SHAFTS – Quality shaft offerings complete the set. In steel, enjoy KBS Tour 90 shafts R Flex. GRIPS – Fitted with premium Lamkin Crossline grips