6' 3 - 6' 8 w Fin Slot

During the “D” fin era the large slab style fins were stiff The vee slot cut the base away, which reduced resistance and allowed the head to move more freely

MAUI ULTRA FIN X QUAD SLOT BOX

slot tribe slot fin its lower end , the said pawl being pivoted on the lever G and the torsional springs , having one end secured in the said slot ƒ , and its other

slot egitto fin balances ) Mark II fin Mark II Mark II ( counter - fin ( 3 % -in fin removed ) -15