These sabiki style assist hooks come with a unique fish skin that is both iridescent and glow-in-the-dark, making them very effective for both day and night time jigging. They add a new dimension to the visual appeal of your jigs while also disguising your hooks. Heavy-duty black nickel hooks with 400lb test braided line. Extra large 8/0 and 10/0 assist hooks have reinforcement knots around hook eye.