Check the listing for details. Scientific Anglers Frequency Full Sink & Intermediate. Condition: New. Listed at 59.95 USD. FREQUENCY FULL SINKALL-PURPOSE SINKING LINES If there’s a better way to fish lakes and ponds than with a full-sinking line, we haven’t found it. The Frequency Full Sink is the perfect sinking fly line for stillwater anglers; it handles streamers and wet flies with aplomb, cuts through the wind, and features a mid-length head for great line control. We built the Frequency Full Sink with two sink rates and the idea that great subsurface lines don’t have to cost a fortune.Especially effective for fishing streamersThin diameter cuts through windIdeal for use in stillwater situationsFront welded loop on Sink 3; Sink 6 includes braided loop connectionMid-length head for enhanced line controlSink Rates: 2.5 – 4.0 ips (Sink 3)Sink Rate: 5.0 – 6.0 ips (Sink 6)Braided multifilament core