Ultra-Strong, Fast Sinking Line Designed For Bluewater Anglers Targeting The Largest Tropical Species Short, heavy head that easily load powerful saltwater fly rods Ultra strong cores in excess of 50 lbs Aggressive front tapers that easily cast the largest of flies RIO's Leviathan lines have been specifically designed for the largest of tropical species. Each line features a powerful front taper to cast the biggest of flies, a short, heavy head to load bluewater rods, and a hard, tropical coating to prevent the line from wilting in the heat. The line has a 26ft, fast-sinking head seamlessly integrated into an intermediate running line. In addition, a tough, ultra-strong core ensures the line will easily battle large fish and resist being cut on coral and rock structures. The lines have the following core strengths: 250gr - 35lb 300gr - 50lb 350gr - 50lb 400gr - 50lb 500gr - 70lb 600gr - 70lb 750gr - 70lb All Leviathan lines have welded loops on both ends for easy rigging.