Aerotech SteelFiber i110 R-Flex Graphite Iron Shafts 4-PW .355 (7 Shafts)New and uncut Aerotech SteelFiber i110 Iron shafts in Regular flex. These shafts are .355 taper tip and vary in length from 36.5" - 39.5". 3 iron and additional wedge shafts available. Contact us for more information.Features of Aerotech SteelFiber i110 R-Flex Graphite Iron Sh..