The Sunline System Leader FC100 Fluorocarbon is a fluorocarbon shock leader. Offered in larger pound tests for the biggest and meanest gamefish, it delivers heavy-duty performance that you can count on. Balanced design is line weight specific. provides an emphasis on suppleness, minimum interference with lure movement, and ruggedness to withstand abrasions and sharp teeth. Features TRP (Triple Resin Processing) for outstanding abrasion resistance against rocks, debris, weeds and the fish's body. Non-stress spooling also minimizes memory to avoid flattening of the line and enhance surface hardness, which strengthens knots made with braided lines to eliminate problems with braid cutting your leader. Available in a wide range of pound tests ranging from 16 to 100 pounds in either 33 or 110 yard spools.