TESTERS ANNOUNCED! Mizuno JPX 900 Irons in Past Testing Opportunities Posted June 23, 2017 Stephen-Oklahoma 12 hcp Mizuno MP-60's JPX-900 forged tour I would love to test and review these irons. I have been playing mizzies for over 15 years and thet are the best forged irons i have ever hit. Im excited to see how they compare to my 60's as far as distance and control. Good luck to all!