The newest size in the superstroke line up the mid slim 20 came from players requesting a size between the ultra slim 10 and the tour favorite slim 30 the mid slim 20 is currently in play on the tour with its demand increasing at each tour eventthe fastest growing putter grips on the tourwith over 125 tour players having used superstroke technology our patented grips help the worldrsquos best play better every week the proof over 100 million won on tourpatented parallel desig