Regular Flex. G430 Irons are shaped for success, bringing a clean, shortened look to your bag. PURFLEX creates 7 flex zones that allow for increased ball speeds across the face for longer distance and pleasing acoustics at impact. A high-strength stainless steel face is thinner with a lower center of gravity that generates nearly 2+ MPH faster ball speeds and increased distance. An extremely forgiving sole design ensures a clean turf interaction and pure strikes with every swing. A shorter hosel design and thinner topline helps lower the CG to help create solid contact and increase ball speeds, especially low on the face.