{"product_id":"sonar-custom-sinking-line","title":"Sonar Custom Sinking Line","description":"\u003cp\u003e\u003cspan\u003eExperience reliable deep-water performance with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eScientific Anglers SONAR Custom Sinking Fly Line\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a versatile sinking line designed to get your fly down quickly and keep it in the strike zone. Built with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAdvanced Shooting Technology (AST)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this line provides excellent slickness, smooth shooting performance, and increased durability for demanding fishing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSONAR Custom Sinking Line\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for anglers who need a dependable sinking setup for a variety of applications. Whether you’re throwing streamers for trout, targeting larger species with big flies, or fishing saltwater, its sinking design helps maintain a direct connection to your fly while reaching fish holding deeper in the water column.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt with welded loops and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSA Line ID\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the SONAR Custom Sinking Line combines convenient rigging with dependable performance, making it a versatile choice for anglers who need to get down and stay down.\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\u003eVersatile sinking fly line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to quickly reach deeper water\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced Shooting Technology (AST)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved slickness for smooth shooting performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable construction for demanding fishing conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWelded loops for easy leader and backing connections\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSA Line ID for quick identification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for strong, direct presentations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent option for streamer fishing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for freshwater and saltwater applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps keep flies in the strike zone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for trout, larger predatory fish, and saltwater species\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 SONAR\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Custom Sinking Line\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLine Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sinking Fly Line\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTechnology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Advanced Shooting Technology (AST)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eConnection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Welded Loops\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIdentification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SA Line ID\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Freshwater \/ Saltwater\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePrimary Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Deep-Water \u0026amp; Sinking Presentations\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIdeal Flies:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Streamers \u0026amp; Larger Flies\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\u003ePerfect For\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for anglers looking for a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eversatile, dependable sinking fly line\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that can handle everything from streamer fishing for trout to larger flies for predatory and saltwater species. The SONAR Custom Sinking Line is especially well suited for anglers who want \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efast depth control, smooth shooting performance, durable construction, and a direct connection to flies below the surface\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Scientific Anglers","offers":[{"title":"WF-500-S","offer_id":67514573848767,"sku":null,"price":99.95,"currency_code":"USD","in_stock":true},{"title":"WF-700-S","offer_id":67514573881535,"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_05_54_58PM.png?v=1790556508","url":"https:\/\/westsidefly.com\/products\/sonar-custom-sinking-line","provider":"Westside Fly","version":"1.0","type":"link"}