UST Mamiya Quantum Speed TSPX Iron Shaft Model/Flex:55 F3 R most aggressive grooves and a

most aggressive grooves and a raw face

Length- 39

explosive launch with a solid feel and sound

and high-quality golf balls to maximize performance

UST Mamiya Quantum Speed TSPX Iron Shaft Model/Flex:55 F3 R most aggressive grooves and aThe UST Mamiya Quantum Speed TSPX Iron Shaft delivers ultra lightweight precision for golfers seeking distance, control, and consistency. Built with high modulus carbon fibers and reinforced resin systems, it optimizes clubhead speed and energy transfer while maintaining accuracy and smooth feel. Its lightweight construction reduces swing fatigue, promoting consistent ball striking and tighter dispersion throughout the set. Designed with optimized