Project X PXV Stiff Driver Shaft + Ping G30 Driver Tip Project X PXv Graphite Driver/Fairway Wood Shaft. Flex: Stiff Adapter: Ping G30 By incorporating the most advanced carbon fiber material technology available in the industry today, Project X engineers have designed a shaft that produces maximum ball speed while preserving critical stability and control through the hitting zone. S Flex: 44" .335 Tip, 4" tip length, 60g, 5.5 torque, .610 butt