The Anti-Gravity aG33-3 Series wood shafts utilizes ultra-thin aerospace quality carbon-fiber materials to obtain a light weight characteristic, as well as to provide the golfer with a shaft that possesses superior response and feedback at impact as well as the ultra-high modulus TORAYCA® M40X carbon-fiber material in the butt section for additional zonal stiffness tuning and stability. The Anti-Gravity aG33-3 Series wood shafts are all sub 40g shafts after installation into a golf club and designed to promote a High launch angle and mid ball spin rates and are available in the flexes of R2 (Senior/Lite) flex, R (Regular) flex and SR (Stiff Regular) Flex. The Anti-Gravity aG33-3 Series of shafts are a fine example of an extremely high quality and superior performing golf shaft, made in Japan and that follow in line with the 30+ years of heritage that all of the premium Graphite Design shafts are so well known for. Please Note: No refunds, returns or exchanges on custom built shafts