The softest, most supple fluorocarbon line ever produced! INVIZX can be used on casting or spinning reels in freshwater with good hooksetting power, exceptional abrasion resistance and knot strength, and its nearly invisible to fish. Made from 100% exclusive Seaguar resins. 1,000 yards. Lb. Test Dia. (in.)4 0.007 6 0.008 8 0.009 10 0.010 12 0.011 15 0.013 20 0.016 25