Made from the highest quality Japanese fiber Strike King Tour Grade Line is optimized for maximum fishability It is not about manageability or ease of use or toughness it is about ALL of these things For that reason we at Strike King have spent years working with the worlds best anglers to test and calibrate The result is quite simply the most highly optimized fishing line available today All packages include the Sidewinder spooling tool and a postage paid envelop to recycle your old line