Fortified for going up against the toughest apex predators, the BKK SF Deep Heavy Jigging Assist Hooks are the hook to reach for when only the strongest and most reliable assist hook will do. These heavy-duty assist hooks come pre-tied with high quality hollow core cord made of four strands interwoven into a strong and flexible assist line. The glow colored binding thread on the hook shank helps to further secure the cord's connection and enhances attractiveness in deep and dark water conditions.