Hitting the ball far too high

[strongbow14]

Hi I hit the ball really high, all clubs, the long irons start low and float up, looks nice, but any wind the ball goes nowhere, the short irons are a bit more up and down, again wind becomes an issue. I wounding how much my clubs influence this, I have mizuno pro's with r400 shafts. These are pretty much the only clubs I have had. I don't have a swing speed but I hit a 5 iron around 190yards and a 9 around 150. I'm looking to buy some second hand clubs and I'm wondering what the best shafts are for lowering the trajectory a bit. I'm looking at getting some used MB's. My handicap is 12 but I often play to single figures, just don't downy comps. Any help is appreciated

[delav]

While it may not be entirely a shaft problem, the distance you're indicating would certainly warrant a stiffer shaft.