subject: Unforgettable Mizuno MX-950 Irons [print this page] Mizuno's Hybrid H.E.M.IMizuno's Hybrid H.E.M.I. COG design philosophy is utilized in each iron for maximum energy transfer from club head to the ball. In addition to the multiple technologies, the Mizuno MX-950 #3 and #4 hybrids have an amazing two-tone paint finish which fades from black to blue, and the Mizuno MX-950 irons are durable double nickel chrome plated with a brushed satin finish to provide durability and glare resistance, and utilize modified U-grooves to produce the ideal spin rate, for maximum playability in all conditions.