WHAT YOU NEED TO KNOW: True Temper, the parent company behind the No. 1 played iron shaft on the PGA Tour for decades and the ...
According to Srixon, the ZXi7, which is a single-piece forged iron, is 7 percent softer than the ZX7 MkII iron it replaces, while the faces of the ZXi5 and ZXiU are 14 percent softer.