{"product_id":"opsin-25lb-fluorocarbon","title":"Opsin Fluorocarbon Leader – 25 lb (0.40 mm)","description":"\u003cp\u003e\u003cstrong\u003eBuilt for fly-lining sardines and anchovies in clear water when the difference between getting looked at and getting bit comes down to your leader. The clean live-bait weight that needs real stealth and real pull — at 0.40 mm, the thinnest 25 lb leader in its class.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eWhy It Gets Bit:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThinnest 25 lb leader in its class at 0.40 mm\u003c\/strong\u003e — sardines and anchovies swim naturally because there's less line working against them and less leader for fish to inspect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong enough for the first serious step into offshore bite-to-land confidence\u003c\/strong\u003e — gives you real pull when yellowtail or tuna make that first hard run on a live bait rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe best strength-to-diameter ratio in the 25 lb class\u003c\/strong\u003e — the proof is measurable, and the gap between Opsin and the field is widest right here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for clear-water offshore bites where thicker line gets ignored\u003c\/strong\u003e — thin enough that fish commit, strong enough that you can actually land them.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eBest Uses:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFly-lining sardines and anchovies\u003c\/strong\u003e — the primary use case for this size offshore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYellowtail, dorado, school tuna, halibut, and reef fish\u003c\/strong\u003e — anywhere live bait needs to swim right in clear water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind-on and connection leaders\u003c\/strong\u003e — that still need supple handling and clean presentations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest:\u003c\/strong\u003e 25 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 0.40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 25 yd \/ 50 yd\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 100% Fluorocarbon (PVDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Slow-extruded in Japan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpool:\u003c\/strong\u003e Built-in line holder + magnetic core for clean storage\u003cbr\u003e\u003cbr\u003e\u0026lt;div style=\"background:#0a0a0a;border-radius:12px;padding:28px 24px 24px;font-family:Montserrat,sans-serif;margin:32px 0 0;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"color:#FFDD00;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;\"\u0026gt;Diameter Advantage\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"color:#fff;font-size:22px;font-weight:800;margin-bottom:6px;\"\u0026gt;25 lb diameter comparison\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"color:#888;font-size:13px;margin-bottom:20px;line-height:1.5;\"\u0026gt;Percentage thicker than Opsin at 25 lb. All specs from manufacturer-published data.\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;font-size:10px;color:#555;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;\"\u0026gt;\u0026lt;span\u0026gt;\u0026amp;larr; Opsin baseline (0%)\u0026lt;\/span\u0026gt;\u0026lt;span\u0026gt;thicker \u0026amp;rarr;\u0026lt;\/span\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#FFDD00;font-family:Montserrat,sans-serif;\"\u0026gt;Opsin \u0026lt;span style=\"background:#FFDD00;color:#000;font-size:9px;font-weight:800;letter-spacing:1px;padding:2px 7px;border-radius:4px;margin-left:7px;vertical-align:middle;\"\u0026gt;THINNEST\u0026lt;\/span\u0026gt;\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#FFDD00;font-family:Montserrat,sans-serif;\"\u0026gt;0.40 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;0% — baseline\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:18%;background:#FFDD00;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Seaguar Premier\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.41 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+2.5% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:24.51%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Seaguar Blue Label\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.44 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+10.0% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:44.03%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Hi-Seas\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.45 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+12.5% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:50.54%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Momoi Hi-Catch\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.47 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+17.5% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:63.56%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Yo-Zuri HD Carbon\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.48 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+20.0% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:70.06%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;div style=\"display:flex;flex-direction:column;gap:3px;margin-bottom:14px;\"\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"display:flex;justify-content:space-between;align-items:baseline;\"\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:13px;font-weight:700;color:#fff;font-family:Montserrat,sans-serif;\"\u0026gt;Berkley Pro-Spec\u0026lt;\/span\u0026gt;\u003cbr\u003e    \u0026lt;span style=\"font-size:12px;font-weight:700;color:#aaa;font-family:Montserrat,sans-serif;\"\u0026gt;0.51 mm\u0026lt;\/span\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"font-size:11px;color:#555;margin-bottom:3px;font-family:Montserrat,sans-serif;\"\u0026gt;+27.5% thicker\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#1c1c1c;border-radius:6px;height:26px;overflow:hidden;\"\u0026gt;\u003cbr\u003e    \u0026lt;div style=\"height:100%;border-radius:6px;width:89.59%;background:#3a3a3a;\"\u0026gt;\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e  \u0026lt;div style=\"background:#141414;border-left:3px solid #FFDD00;border-radius:0 8px 8px 0;padding:12px 14px;margin-top:4px;\"\u0026gt;\u003cbr\u003e    \u0026lt;p style=\"font-size:12px;color:#aaa;line-height:1.6;margin:0;\"\u0026gt;At 25 lb, Opsin is the thinnest \u0026amp;mdash; \u0026lt;strong style=\"color:#FFDD00;\"\u0026gt;2.5% to 27.5% thinner\u0026lt;\/strong\u0026gt; than every competitor shown here.\u0026lt;\/p\u0026gt;\u003cbr\u003e  \u0026lt;\/div\u0026gt;\u003cbr\u003e\u0026lt;\/div\u0026gt;\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #0a0a0a; border-radius: 12px; padding: 28px 24px 24px; font-family: 'Montserrat',sans-serif; margin: 32px 0 0;\"\u003e\n\u003cdiv style=\"background: #141414; border-left: 3px solid #FFDD00; border-radius: 0 8px 8px 0; padding: 12px 14px; margin-top: 4px;\"\u003e\n\u003cp style=\"font-size: 12px; color: #aaa; line-height: 1.6; margin: 0;\"\u003e \u003c\/p\u003e\n\u003cp style=\"font-size: 12px; color: #aaa; line-height: 1.6; margin: 0;\"\u003e \u003c\/p\u003e\n\u003cp style=\"font-size: 12px; color: #aaa; line-height: 1.6; margin: 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0518\/9006\/1485\/files\/3_1.gif?v=1775464285\" alt=\"Opsin 25 lb fluorocarbon in action\" style=\"width: 100%; border-radius: 8px; display: block;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Opsin","offers":[{"title":"25 YD","offer_id":45886086774957,"sku":"OPSIN-FC-25LB-0.40MM-25YD","price":20.99,"currency_code":"USD","in_stock":false},{"title":"50 YD","offer_id":45886086807725,"sku":"OPSIN-FC-25LB-0.40MM-50YD","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/9006\/1485\/files\/25lb25yd_1.jpg?v=1775463260","url":"https:\/\/opsinusa.com\/products\/opsin-25lb-fluorocarbon","provider":"Opsin USA","version":"1.0","type":"link"}