Thanks for the tips. I plan on going to a golf pro for the analysis once everything is better. Just didnt know if steel shafts would put too much vibration on the shoulder or if sensicore inserts would help at all. I have never played graphite shafts in my irons before, it has always been steel. I am hitting my 7-iron with a carry distance of 175-180 yards so a loss if a few yards wouldnt bother me too much if I couldnt get the accuracy with graphite. If any of that makes sense.