A carbon shaft for Ainanes with a new full length full boron. The shaft was designed to provide flex and stickiness that cannot be achieved with a single carbon application. This is a shaft for iron beads that cast one stone into the iron shaft market which has been a long steel single tartard. Reads the feel of a delicate athlete "BiZ70/90" is the best weapon for golfers to shape their ideals. The characteristic of the boron material adds flex and power to the entire body, and the feeling of steel has been reproduced using a carbon shaft. It reproduces the feeling of stickiness that has been considered to be more challenging than the steel required by irons. Designed for distance with the highest needed ball Precision is the absolute best irons. This shaft is a masterpiece with the highest intuition that accurately reflects the golfers intention