CBX ZipCore delivers the perfect blend of performance and forgiveness for players that never apologize for stepping up their short game. A lightweight, low-density core sits at the heart of the club. While reducing vibrations and perfecting center of gravity, it also boosts MOI for improved forgiveness on every shot. A soft, vibration absorbing TPU insert improves feel so even miss-hits are buttery smooth. Specially designed to enhance spin, Spinner shafts in steel and graphite are Wedge-specific components that give you an edge around the greens.