Nippon 's relentless desire to produce superior control for stronger players gave birth to the N.S. PRO MODUS Series. The demands of the stronger player include shot control with regards to three platforms - trajectory control, distance control, directional control - equaling MODUS. Twelve months of testing several N.S. PRO Prototypes on the PGA Tour, with further refinements and re-engineering, based on player feedback, have resulted in the N.S. Pro Modus3 Tour 120 Taper Tip Iron Shaft.