New Other Recoil ES UST Mamiya 460 F2 Flex 36" Black Silver Golf Club Shaft OSFM:Gray Silver one piece designed Armor features stay comfortable one piece designed Armor features an end cap that transfers energy back to the barrel during contact with the ball that increases performance and results Both the front and side panels integrate external slash pockets for your gear and accessories distance and trajectory control Recoil Technology provides optimal spring effect in the walls of the shaft and more efficient energy transfer to the ball for increased velocity and greater distance ES = Enhanced Stability for more control and feel Stiffer mid and butt produces better shot control Softer tip improves feel and trajectory Lower torque for improved shot dispersion