Srixon 3-piece set Srixon ZX5 10.5° Flex S 6.0S 50G Srixon ZX 15° Flex S 6.0S 50G Srixon ZX 18° Flex R 5.5R 50G Shafts: True Temper Even Flow Riptide Reason for the discount: The 5W shaft has a flex of R. Thank you for looking.