EV5.1 Putter An artistic shape for simple aiming with a standard single top sightline Linear rear wings curve back towards the center for macro aimers Features a precision CNC Milled 303 stainless steel face and front section along with a 6061 aluminum back chassis design. Essentially the shape of a blade putter, the stainless steel face and front section of each putter provides the feel of a blade from the hitting area, while the rear aluminum chassis and four tungsten weights positioned deep and low offer the CG and MOI benefits of a mallet. Six added weight ports provide precision weighting for targeted swing weighting as well as dynamic toe flow options and perimeter weighting MOI benefits SweetFace(TM) Technology EVEN ROLL DISTANCE Because the channels get narrower away from the center, the spacing gets wider. This increase in contact surface means more energy transfer and replaces the energy lost when a ball is hit away from the sweet spot. So center and off-center hits travel the same distance. ZERO DISPERSION A series of closely spaced variable width channels that are wider in the center and get gradually narrower toward the heel and toe. This creates a precisely calibrated inward v-shape from both the heel and toe that progressively redirects the ball down the target line.