Yo-Zuri SuperFluoro is a high quality Japanese 100% fluorocarbon leader made in our private line factory in Fukuoka Japan. Made with the finest raw materials and put through our exclusive extrusion process, the result is a well rounded fluorocarbon that is manageable and easy to tie, yet extremely strong and abrasion resistance. It is a high molecular weight fluorocarbon that features excellent knot, shock and overall strength and exceptional abrasion resistance. SuperFluoro is a collaboration of our Japanese and US PD teams and has been thoroughly tested by our top fresh and saltwater pro-staff in the US and worldwide.