WHAT YOU NEED TO KNOW: Srixon’s newest iron lineup is designed for practically every player type. That’s not an exaggeration.

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.

How far PGA Tour players hit the golf ball with each club in their bag isn't an exact science, however. Every player is ...