Swing Science 400 SERIES Iron Shafts - Graphite - .370 Tip

Swing Science 400 Series Graphite Iron Shafts are clubmaker multi-flex iron shaft blanks, which are longer, so they can be tip trimmed for custom tuned flexes.The 400 Series Graphite Iron Shafts allow club-makers to stock only three blanks, to make any club flex needed, for any player. Swing Science 400 Series have the ability to provide 50 flex increments with this series of three specialty engineered graphite iron shafts. Designed with the use of multi-flex composite the 4000 series iron allow club builders the the ability to build from 2.5 all the way thru 7.5.