SCIENTIFIC ANGLERS SONAR TITAN SINK TIP - Two line sizes heavy for loading quickly and delivering the biggest flies to the furthest targets. Short, powerful head delivers excellent turnover. Designed for throwing streamers at trout, smallmouth bass, pike, steelhead, and salmon. SPECIFY SINK RATE: (SINK-3, 2.5-3.5ips), (SINK-6, 5.5-6.5ips) in SIZES: WF5F thru WF10F.