N.S.Pro Modus 3 Hybrid GOSTIntegrating the best of steel and graphite required inimitable technology in both types of shafts. Hybrids and or driving irons are increasingly used for precise tee shots requiring distance control and for second shots on longer distance holes. But steel and graphite shafts both have their advantages and disadvantages neither is superior overall. As a shaft maker with extensive knowledge of both steel and graphite, Nippon Shaft developed a new hybrid