The KBS MAX 80 incorporates the latest Ultra-Lightweight shaft technology for mid-to-high handicap golfers. With it's low kick point, it produces a higher trajectory and higher spin rate for longer distance shots. The KBS MAX 80 has been designed for players seeking to maximize the performance of their irons. The uncut weight is 102 grams. The butt O.D. is a standard .600. Raw length is a longer 42 inches, which allows for customization according to the flex desired. This is a chrome finish, combination R/S/X flex shaft, available in .370 parallel tip only. You simply cut the tip of the shaft according to the trim chart for the correct flex, and then install in your iron head and butt cut to your desired length.