Spider wire"s Ultrafast is the world’s best braided fishing line, combining extreme sensitivity with ultimate tensile toughness. Requiring no break-in period, this line is limp and ready-to-go straight out of the box. Fish it immediately. Promoting exceptional signal transmission, you will feel everything from the slightest of touches to the most jolting strikes. Spun with Dynamo, the world’s strongest fiber, it provides strength and durability at astonishingly thin diameters, 3-5x thinner than comparable lines. Spider wire"s Ultrafast will outcast and outlast any other braid on the market, ensuring nothing gets away.