High Sensitivity Super Dyneema Strong 4-strand Braided Fishing Line (Black, 328-Yard  45-Pound Test  0.013-Inch Diameter) Made with the highest grade Dyneema Fiber- Increase strength Unique 4-strand weave braid, provides super thin diameter, smoothness, softness and flexibility Less than 3% stretch - Incredible sensitivity Transmits lure action and strikes directly to rod tip and reel for instant and positive hooksets