A Major DifferenceThe SuperStroke Flatso™ putter grip features a distinct pentagonal “Flatso” profile: a wide, flat front grip shape with five pronounced edges. Now with Enhanced Spyne™ Technology and Multi-Zone Texturing, the Flatso™ Series has been refined to offer even better feel and feedback.The SuperStroke Flatso™ putter grip is one of the most popular grips played on professional tours. PGA TOUR professional Jordan Spieth trusted the Flatso™ grip for each of his three major championship victories. CounterCore weight is not included with the grip but may be added separately in ACCESSORIES.Zenergy Flatso grips come in 6 colors and 3 sizes.