Experience a revolutionary blend of power and precision with the AutoFlex Rainbow Iron Shaft. Engineered with proprietary Korea Hidden Technology (K.H.T.), this shaft features an ultra-lightweight design in 50g and 52g options. This strategic weight reduction promotes exceptionally efficient energy transfer at impact, directly translating to measurable gains in ball speed and overall distance. Choose between the SF405 flex, optimized for swing speeds of 85-100 mph, or the SF505 for speeds of 95-105 mph, to precisely match your unique tempo and power.
Beyond raw distance, the AutoFlex Rainbow is engineered for optimal launch conditions. Its innovative flex profile promotes a powerful, high-launch trajectory that maximizes carry and extends roll-out for longer total yardage on every iron shot. This performance is seamlessly packaged in a head-turning Rainbow finish, ensuring your clubs stand out with confidence and style.
Ultimately, the AutoFlex Rainbow Iron Shaft is for the player who refuses to compromise. It delivers a tangible technological advantage through its advanced materials and weight-saving construction, resulting in enhanced speed and a powerful ball flight. Elevate your iron play with a shaft that combines serious performance with unmistakable visual flair.





