PING Director of Product Development Marty Jertson describes the design and performance features that help PING G400 Irons elevate a golfer’s game. DevelopmentDirectorG400GalaxyGolfGolf Clubsgolf clubs ironsGolf Equipmentgolf ironsironsJertsonMartyPingProductRelated Posts They didn’t fix the PROBLEM… (Takomo MKII Irons) January 7, 2026 BEST Takomo Irons EVER? #golf January 7, 2026 MIZUNO JPX ONE FAIRWAY WOODS | The Swing Report January 7, 2026 This Driver Changes EVERYTHING! January 7, 2026 Under Armour Golf Glove vs PXG Golf Glove Review and Comparison January 7, 2026 BRAND NEW FACE?! MIZUNO JPX ONE DRIVERS | The Swing Report January 7, 2026