By creating multiple contact points along with the topline, the Truss hosel design reduces the amount of unsupported mass and deflection at impact. Truss putters were optically engineered to present a familiar look at address for players seeking more stability in a classic shape. The same Tour-Proven technology now in Cobalt Blue. Pure Roll inserts produce better sound and feel, while 45° grooves increase topspin to help the ball start and stay on its intended line. Adjustable sole weights allow golfers to achieve precise head weights and CG positioning.