Mizuno JPX-850 Forged Iron Set

Features and benefits of the Mizuno JPX-850 Forged Irons:

The introduction of Boron to Mizuno's Grain Flow Forging process enables the JPX850 to overcome the distance limitations of traditional forged irons.
Boron is 30% stronger than its traditional 1025E steel billets - allowing for a thinner face and extreme ball speeds.
The result is an incredible iron that combines Grain Flow Forged precision and feel with the ball speeds of a modern distance iron.
The thinner Boron face is strategically reinforced by a Power Frame cavity - allowing it to flex over a wider area.
A shorter top edge to the frame helps maintain the recognisably solid Mizuno feel.