ODYSSEY X-Act Tank Chippers Putter Super Stroke Grip Heavy tank design - the heavier 355 gram head weight helps ensure a smoother swing to promote more consistent contact. The heavier grip gives a counterbalance feel that helps quiet the hands through impact X-act sole - hybrid-like sole design improves turf interaction around the green, especially on tight lies, to help eliminate stubbed or bladed chip shots Polymer insert - the single layer Polymer insert provides soft feel for both long and short shots around the green Hi def. marxman alignment System Super stroke chipper grip - the oversized, non-taper grip design helps stabilize the wrists and hands through impact. The longer design also allows you to put your hands in different positions to get the correct feel on a variety of shots