{"product_id":"stillwater-seamless-density-sink","title":"Stillwater Seamless Density Sink","description":"\u003ch3\u003e\u003cspan\u003eTwo Size Heavy\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTake control of the entire water column with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eScientific Anglers Stillwater Seamless Density Sink Fly Line\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a premium sinking fly line designed specifically for stillwater anglers targeting trout with nymphs, streamers, and multi-fly rigs. Featuring Scientific Anglers’ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAST Plus technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSeamless Density construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this line delivers excellent shooting ability, increased durability, and smooth, controlled sinking performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSeamless Density design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e creates a smooth transition between different line densities, helping eliminate hinging and maintain a more direct connection to the fly. Its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etwo-size-heavy design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides the power needed to efficiently cast multiple flies, long leaders, and longer distances, while textured hang markers at 10 and 20 feet from the tip provide an easy reference during retrieves.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvailable in multiple density configurations, the Stillwater Seamless Density Sink allows anglers to target everything from fish feeding just below the surface to trout holding deep near the bottom.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePremium sinking fly line designed specifically for stillwater fishing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSeamless Density technology for smooth transitions between sink rates\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps eliminate hinging for a straighter connection to the fly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAST Plus technology for superior slickness and durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTwo line sizes heavy for efficient rod loading\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for nymphs, streamers, and multi-fly rigs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHandles long leaders and long-distance casts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTextured hang markers at 10 and 20 feet from the tip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent control throughout the retrieve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for cold and medium-temperature conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWelded loops for easy leader attachment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSA Line ID for easy line identification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudible Reference Point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Scientific Anglers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stillwater\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Seamless Density Sink\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLine Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Weight Forward Sinking\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Freshwater \/ Stillwater\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTechnology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AST Plus \/ Seamless Density\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWeight Profile:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 Sizes Heavy\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHead Length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 45 ft \/ 13.7 m\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTotal Length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 100 ft \/ 30.5 m\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eAvailable Line Weights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e WF-5-S through WF-8-S\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrimary Species:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trout\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCountry of Origin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003eSink Options\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIntermediate \/ Sink 3:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Intermediate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1.7 ips\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e running line with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.0 ips\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 3 head\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSink 3 \/ Sink 5:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 3 running line with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5.0 ips\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 5 head for working the middle of the water column\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSink 5 \/ Sink 7:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 5 running line with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7.0 ips\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sink 7 head for quickly reaching deep water\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eParabolic Sink 3 \/ Sink 5 \/ Sink 3:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sinks in a U-shaped profile for effectively searching larger portions of the water column\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan\u003ePerfect For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for anglers fishing \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enymphs, streamers, multiple-fly rigs, and deeper stillwater presentations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The Stillwater Seamless Density Sink is especially well suited for anglers who need \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eprecise depth control, long-distance casting, smooth density transitions, reduced hinging, and a direct connection to the fly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when targeting trout throughout the water column.\u003c\/span\u003e\u003c\/p\u003e","brand":"Scientific Anglers","offers":[{"title":"WF-5-S \/ Dark Green | Charcoal","offer_id":67514210451647,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-6-S \/ Dark Green | Charcoal","offer_id":67514210484415,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-7-S \/ Dark Green | Charcoal","offer_id":67514210517183,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/7683\/6031\/files\/ChatGPTImageSep27_2026_02_21_55PM.png?v=1790543656","url":"https:\/\/westsidefly.com\/products\/stillwater-seamless-density-sink","provider":"Westside Fly","version":"1.0","type":"link"}