BLENDED DISTANCE & SPIN With a blend of greenside control and long-game distance, the new Z-STAR DIAMOND also delivers the unique benefit of increased spin on long and mid Iron shots. Technology NEW FastLayer DG Core A newly formulated core starts soft in the center and dramatically becomes firm around its edge, giving high-speed players optimized Iron spin and distance. NEW Spin Skin+ A durable coating, new Spin Skin+ digs deep into Wedge and Iron grooves, maximizing spin for better control and