RIO ELITE LEVIATHAN 26-FOOT SINK TIP Fly Lines with SlickCast – Built for the biggest fish and feature a core in excess of 50lb test. Designed to load powerful bluewater rods quickly, while the aggressive front taper casts ultra-large flies with ease. Fast sinking 26-foot heads are attached to intermediate sinking running lines. Colors vary by size. SIZES: 300gr(sink 6.7ips), 350gr(sink 7.2ips), 400gr(sink 7.7ips), 500gr(8.5ips), 600gr(9.7ips), 750gr(10ips).