These grips have “No Taper” technology which creates a more even grip pressure and a better putting motion. They also have a more clearly defined ridge on the reverse of the grip so you can repeat your grip more easily. The grips are equipped with a “Tech Port” so you can insert a counterweight into the grip. Flatso 2.0 has an octagonal shape, a diameter of 1.25” and weighs 54 grammes.