The Seaguar JDM R18 Fluorocarbon Line is Seaguar&';s premier fluorocarbon mainline. It delivers first-class strength, suppleness, and castability. This line is constructed with Seguar&';s exclusive double-structure process with two 100% fluorocarbon resins resulting in exceptional knot and tensile strength. This line it soft, easy casting and very smooth coming off the reel