The clubs are one-piece Grain Flow forged at Mizuno’s iconic Hiroshima factory, which has been producing Mizuno irons since 1968, a process that gives you excellent feel as you play. Beneath the head’s surface is a thin layer of copper that also creates an even softer feel. Compared to the predecessor JPX921, the clubs have been equipped with a new V-chassis that gives clubs the impression of a muscle back iron and produces a thinner topline, something that has been requested by Mizuno’s pro players. A generously rounded back edge gives the clubs versatility and optimal ground contact.
V-chassis, A new V-chassis allows for a thinner topline, using the Harmonic Impact technology to create a muscle back feel in a cavity back iron. Previous models needed a slightly thicker topline to maintain the feel.
Brushed White Satin, The chrome-plated finish reduces distracting reflections, such as sunlight.