BERKLEY VANISH FLUOROCARBON TRACE 50YDBerkley Vanish Fluorocarbon Trace is an extremely abrasive resistant fluorocarbon trace. It has excellent knot strength and is virtually invisible to fish ensuring the most natural presentation. Berkley Vanish Fluorocarbon Trace Features: 100% Fluorocarbon material Maintains strength and abrasion resistance when wet Designed to refract light just like water, ideal for clear water finesse conditions Fluorocarbon line is virtually invisible to fish