Mizuno MP 59 Iron Set Golf Club 4-PW- Standard, KBS Shaft

I bought these brand new in an experiment with Forged irons, but these are a little too hard for me to hit. But in all honesty (see feedback), I've literally swung these clubs ten times each. Maybe 20 with the wedge. Other than that, they're beauties. KBS shafts, standard lie and length