Introducing the NEW KRANK GOLF FORMULA 11 HYBRID IRONS. The New Formula 11 Hybrid Irons feature an advanced max rigidity shape designed with a mid face, raised center crown that helps to deliver maximum distance and Power Transfer throughout the head. Giving you maximum speeds off the face for the longer hitting shot! Enjoy the next evolution of Krank speed and accuracy. Krank Golf does not sacrifice performance for style. The NEW Formula 11 Hybrid Irons encompass the outrageous ball speeds and stability everyone is so used to with a new look and style everyone wants.