ANDE Fluorocarbon leader material is 100% fluorocarbon with all the properties that you expect: superb abrasion resistance, good knot strength, no water absorption, and a fast, consistent sink rate. With fluorocarbon’s lower-reflective index, it is invisible under water. Fluorocarbon comes in tests from 20 to 80 pound in clear. It is available on 50-yard wrist skeins. Remember, it’s ANDE quality at a very reasonable price.