Swing Sets For Sale In Edmonton I Swing A 7-iron About 97-100mph And I Just Bought Clubs With A Uni-flex Shaft. Is This The Proper Shaft.?

I swing a 7-iron about 97-100mph and i just bought clubs with a uni-flex shaft. is this the proper shaft.? - swing sets for sale in edmonton

I was a little worried because it was the last set of clubs and sellers looking for a solid axle and said that the uni-flex was in order. oh yeah are sheets of Nike. I wonder whether the sale or make me right.