1/2″ Fractured Fin (1-1/4″ oc, 1/2″ peak, 3/4″ rib, 1/2″ relief) 1/2″ Fractured Fin (1-1/4″ oc, 1/2″ peak, 3/4″ rib, 1/2″ relief) July 13, 2022 1/2″ Fractured Fin (1-1/4″ oc, 1/2″ peak, 3/4″ rib, 1/2″ relief)