UST Mamiya Recoil Dart ESX Iron Shaft Model/Flex:60 F3 boosting your shots with a

boosting your shots with a guaranteed 3 MPH speed increase

After years of development

Inside neck patch for printable label

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In addition to driver and fairway shafts

UST Mamiya Recoil Dart ESX Iron Shaft Model/Flex:60 F3 boosting your shots with aThe Recoil DART ESX takes our exclusive Recoil DART technology to a new level. After years of development, ESX design technology has been integrated with DART technology to increase tip stabilization for maximum shot consistency and improved accuracy. Our exclusive ESX design technology also increases launch and ball flight characteristics. While DART technology optimizes hoop stiffness in the critical areas of the golf shaft. To achieve maximum