Goodbye mono and fluoro pretenders. Hello genuine Seaguar fluoro. Here's a mainline that delivers all the benefits of 100luorocarbon at a price everybody will love. BasiX is made from 100ustom Seaguar fluorocarbon resins so it's virtually invisible underwater and boasts the kind of knot strength and abrasion resistance you expect from Seaguar. This is a soft, supple, easy-casting line that comes off a reel smoothly for a fret-free fishing experience.