AMT Tour White is a tour-weighted option that features the lowest trajectory and spin in the new AMT range. AMT Tour White has the same performance DNA as Dynamic Gold and is designed to get progressively heavier as golfers move from their long irons to short irons. Lighter long irons are easier to swing and produce increased speed along with a higher initial launch while the tour-weighted short irons produce the traditional Dynamic Gold accuracy, consistency and trajectory that is desired from your scoring clubs. AMT stands for Ascending Mass Technology, which means the shafta (TM)s weight increases in 3-gram increments throughout the set, while the balance point is adjusted so that the swing weight of each club is consistent to standard Dynamic Gold. Fit & Design: AMT Tour White is a tour-weighted option that features the lowest trajectory and spin in the AMT line of shafts Designed with the same performance DNA as Dynamic Gold and is designed to get progressively heavier as golfers move from their long irons to short irons Lighter long irons produce increased speed along with a higher initial launch while the tour-weighted short irons produce the traditional Dynamic Gold accuracy, consistency and trajectory that is desired from scoring clubs Ascending Mass Technology increases the weight in 3 gram increments throughout the set, while the balance point is adjusted so that the swing weight of each club is consistent to standard Dynamic Gold Available in R300, S300 & X100 Flex options