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          With a blend of greenside control and long-game distance, the new Srixon Z-STAR DIAMOND also delivers the unique benefit of increased spin on long and mid iron shots. 
        
        
        
          - FastLayer Core: Starts soft in the center and gradually becomes firm around the edge, giving high-speed players exceptional feel and plenty of ball speed for maximum distance
 - Spin Skin with SeRM: A new, thicker thermoplastic urethane cover features Spin Skin with SeRM, a durable coating with flexible molecular bonds; Digs deep into wedge and iron grooves, maximizing spin for more control and more stopping power
 - 338 Speed Dimple Pattern: Less drag and more lift boosts overall distance and flies straight, even in the toughest wind conditions
 - 3 piece Construction
 - Swing Speed: 90mph Plus