The 128 WAVETOOL - riding it on the waves you are riding a 135 -ride it the other way and it is a 118 - the footstap positioning allows you to ride this board both ways - ride it on a left and then ride it on a right, both ways you ride it and get the maximium out of your wave riding ! The bigger fins and footstrap placement enables a more aggressive bottom turn and all in all a better time in the waves. The board"s rocker line will also allow you to ride this board like a conventional twin tip - if you love to power in the waves then this is the board for you.