100% and .Various colors and sizes for you to choose.You always find the one that suitable for you. The high carbon steel leader is ideal for rigging all types of bait or lures when you need abrasion resistance. Connect with the fishing hook and prevent the fishing line from snapping. Perfect for using in Salt water or Fresh water. Barrel swivel on the bottom and snap swivel on the top. Perfect gift for your friends who love fishing and yourself.