Mizuno jpx 900 hybrid mizunorsquos infamous grain flow forged irons successfully forged the brand into the minds of every professional golfer in the game many legends have even used these clubs exclusively during majors and the manufacturer has taken pride in fine tuning the acoustics of each product to deliver a solid and powerful sound every time now mizuno appears to have its sights set squarely on creating one of the most adjustable sets the market has ever seen with their new jpx 90