THE SUPER STRONG / EXTREME SURF LEASH FOR BIG WAVE SURFINGEXTREME LEASH FOR EXTRA-LARGE WAVES. A NEW GENERATION OF RELIABILITY MADE FOR SERIOUS SURF CONDITIONS WITH A 10MM CORD. THE OUTER REEF OFFERS AN 8FT, 10FT AND 12FT LEASH THAT IS DESIGNED FOR DEEP WATER AND LARGE SURF CONDITIONS AND BOARDS.