RIO Fluoroflex Plus is an exceptional leader and tippet material made from 100% fluorocarbon (PVDF). Fluoroflex Plus is the strongest, thinnest fluorocarbon on the market with an incredible strength. It is a slightly softer material than Fluoroflex and ties excellent knots. The refractive index (1.42) of Fluoroflex Plus in water (1.33) compared to nylon (1.62) makes it almost invisible to fish.
