Product details:

Engineers combined the properties of high-grade aluminum and tungsten weighting in a design that delivers max stability and forgiveness. Machine milled 6061 Aluminum combined with strategically placed tungsten weighting on the sole and backbar provide unparalleled stability for consistent rolls across the face. With an MOI of 6,000, Spider S is the most stable putter in our lineup. Swing weight will be optimized for precise performance using a heavy tungsten backbar. Played by the world鈥檚 best, Pure Roll inserts produce better sound and feel while 45掳 grooves increase topspin to help the ball start and stay on its intended line.