Tour Preferred Precision & Feel Modern, standard size putter grip shapes engineered with firmer material aim to help enhance feedback & control. Tour Preferred Sizes 70% of the top 30 putters on tour choose standard size putter grips. Some of the best putters on tour demand feedback in their hands at impact for better distance and face control. The Pro Only putter grip family was designed to provide a series of shapes and size options that form to the contours of a player's hands and deliver a closer connection between the hands and the putter. Also avaiable in 2 other Sizes Blue Star 81CC and Green Star 88CC.