Odyssey Metal X Milled # 7 Putter Metal-X Roll Technology: The chemically milled oval depressions maximize the mechanical lock with the golf ball Adjustable Weight Kit : Comes with 3 sets of customizable weights to fine tune your preferred head weight for either 340g, 350g, 360g heads Weight wrench doubles as a divot tool Stabilizing Crossbar: Visible from the back, this stiffens the face without adding much weight to stabilize sound and feel