The Cobra Optica Putters are made of forged Stainless Steel, and all move the Center of Gravity (CG) low and back in the putter head for enhanced Moment of Inertia (MOI), this helps to promote a more true roll and makes it easier to control the distance of the putt. Forged aluminum 6061 body with a precision milled face provide the golfer with a crisp soft feel.