Control and distance are combined in perfect harmony with the Aerotech SteelFiber graphite wood shaft - .335" tip diameter only.SteelFiber 65 Promotes slightly higher trajectory and lower spin rates for modern oversized club heads Lightest SteelFiber shaft ever made - 66g SteelFiber 75 The most popular SteelFiber shaft of Tour Professionals Moderate weight and low torque make this shaft the most versatile SteelFiber shaft Trimming Instructions