100-Percent Fluorocarbon, maximum invisibilityn0.022 in diameter, 30 pound testnDurable - incredible knot and crimp strengthnWrist Spool, 100 yardsnComes in clear colornThe Spec 100-Percent Fluorocarbon Leader is engineered with the ultimate angler in mind. It provides maximum invisibly with incredible durability, while lending you all the knot and crimp strength you’ll need. 100-Percent Fluorocarbon, it won’t absorb water and comes in 3 different color tints, allowing you to customize to your conditions and eliminate unwanted sparkle and flash.