Lot 3 20 Lb Test 30 M Fluorocarbon Fishing Line Japan Technology Clear FAST SHIP.  Finesse line is indeed of the toughest line in the market. Made from 100% fluorocarbon resin with addition of high abrasion resistance resin have increased the line abrasion and not strength by five times from normal fluorocarbon. Finesse line has zero level of light refraction making it completely invisible in the water. Waterproofing resistance is excellent within visibility keeping its strength after hours of usage.