The TaylorMade Spider S Putter a large 360g head with an extremely high MOI to make this putter one of the most stable putters on tour. At 6000 MOI, the Spider S Putter is extremely easy to keep stable through your backstroke and square up through impact. The PureRoll Surlyn face insert promotes a soft-yet-solid feel and a smooth forward roll. The adjustable heel-toe weighting allows you to change the headweight of this putter to match the feel that you are looking for.