"The Flatso™ 17 is an extended version of our Flatso™ 3.0 putter grip that meets the needs of golfers who prefer mid-length putters.Its distinct pentagonal profile is also a smart choice for golfers who position the putter grip against their lead forearm, offering increased stability from its 17-inch length and wide-front design.The Flatso™ 17 Putter Grip is NOT CounterCore equipped."