I 'm being told that Mizuno is adding two new steel shafts 106 - 107 grams and is a high launch shaft .
Two new steel shafts are the NS Pro 1150 and a True Temper shaft called XP 105 .
i 'm being told that Mizuno is adding two new steel shafts , the NS Pro 1150 and a True Temper shaft called XP 105 , 106 - 107 grams and is a high launch shaft .