The 8 GreenSpeed putters by Tiger Shark Golf help golfers control their speed on the greens with a unique weighting system. Interchangeable weights allow golfers to compensate for varying putting surfaces from course to course. •Adjustable rear weighting for maximum stability -  Putter has changeable weights and a custom wrench. •Model  VS-5 comes with two 5-gram and two 10-gram weights for heel –toe weighting. •Double milled face grooves for a no-skid roll - milled to precise tolerances to enhance accuracy and distance control. •Matte finish for reduced glare and unique alignment aid for easy aiming. •A high Moment of Inertia (MOI) stabilizes the putter head for consistent performance. •SuperStroke 1 piece black and white Grip.