The next level of material technology, Rombax, uses an unprecedented combination of fujikuras patented Triax material and a new unique braided box weave composite,fortified with Kevlar Triax in the tip section. This ultimate use of material and design engineering has created fujikura;s finest series of shafts,which offer maximium shaft stability at impact with the larger MOI clubheads of today. Best for fast tempo swings.