Just got fitted for a set of ap3's. The set was ordered to have -1/2" 2 degrees upright with and r300 black shafts hard stepped. First question is if the shafts are hard stepped my 7 will have an 8 shaft but will it be cut to the standard 7 iron length, then minus the half inch? Second question is my swing speed with the 7 iron was between 78 and 85mph. Until today ive never heard of stepping shafts. Does this sound like the right choice for my swing speed?