{"product_id":"tytan-international-llc-1000-ft-18-1-lb-white-twisted-nylon-seine-twine","title":"Heavy Duty White #18 Twisted Nylon Seine Twine 1000 Foot Spool Professional Masonry Construction Chalk Line Cord for Bricklaying and DIY Projects","description":"\u003ch2 style=\"color: #004b87;\"\u003eAchieve Razor-Straight Accuracy with Professional Contractor Grade #18 Twisted Nylon Seine Twine\u003c\/h2\u003e\n\u003cp\u003eThe Heavy-Duty White #18 Twisted Nylon Seine Twine is the essential workhorse trusted by professional masons, builders, and landscaping contractors. Engineered from high-quality, high-tenacity nylon fibers, this 1000-foot spool delivers the exceptional tensile strength and stability required for demanding jobsite layouts. Whether you are laying brick and block, framing complex wall systems, or managing grade stakes on a large construction site, this twine provides a consistent, high-tension line that refuses to sag. Its twisted construction is specifically optimized for elongation, allowing you to pull the cord drum-tight for perfectly level reference points or snap high-visibility chalk lines across any abrasive surface.\u003c\/p\u003e\n\u003cp\u003eDurability is at the core of this professional-grade cordage. Unlike standard cotton or low-grade synthetics, this nylon seine twine is naturally resistant to rot, mildew, and moisture, making it the ideal choice for long-term outdoor projects and damp environments. The brilliant white color provides a sharp contrast against dark concrete, dirt, and brickwork, ensuring easy tracking and reduced eye strain during layout. Beyond the construction site, its abrasion-resistant properties make it an excellent multi-purpose utility cord for netting, crafting, and heavy-duty gear repair. With 1000 feet of robust line on a convenient bulk spool, you can tackle multiple projects with the confidence that your measurements are backed by industry-leading strength.\u003c\/p\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor-Grade Performance:\u003c\/strong\u003e Formulated to meet and exceed the rigorous daily demands of professional masonry and framing trades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Tensile Strength:\u003c\/strong\u003e Constructed from premium twisted nylon fibers to offer maximum resistance to snapping and fraying under tension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Snap Elongation:\u003c\/strong\u003e Optimized flexibility allows for a crisp, clean snap when used as a chalk line or a perfectly straight masonry guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Weather Resistance:\u003c\/strong\u003e High-quality synthetic material naturally resists rot, chemicals, and moisture for long-lasting outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Visibility White:\u003c\/strong\u003e Provides maximum visual contrast for easy alignment and tracking on concrete, brick, and soil surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Utility Spool:\u003c\/strong\u003e 1000-foot bulk quantity is ideal for large-scale construction, landscaping, netting, and general industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) 1000-Foot Spool of Heavy-Duty White #18 Twisted Nylon Seine Twine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #004b87;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 41.7857%; border-collapse: collapse; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\" height=\"385\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e100% Twisted Nylon Seine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eSize \/ Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e#18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e1000 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003eBrilliant White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eNominal Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eTwine Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e0.06 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eApprox. Break Strength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e160 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003e3-Strand Twisted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff0f5;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003eMasonry, Chalk Line, Netting, General Layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 37.0304%;\"\u003e\u003cstrong\u003eResistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid rgb(221, 221, 221); width: 62.9696%;\"\u003eRot, Mildew, and Moisture Proof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePro-Tip:\u003c\/strong\u003e To prevent the ends of your nylon twine from unravelling after a cut, use a lighter or torch to quickly melt the tips. This heat-seals the fibers together, creating a permanent, clean end that makes it easier to thread through pulleys or line blocks.\u003c\/p\u003e","brand":"Tytan International","offers":[{"title":"Default Title","offer_id":51223569727799,"sku":"TST184W","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2274\/5945\/files\/Heavy-Duty_White_18_Twisted_Nylon_Seine_Twine_1000-Foot_Spool_Contractor_Grade_Masonry_and_Chalk_Line_Cord_for_Construction_and_DIY_Projects_a.jpg?v=1778157616","url":"https:\/\/www.1toptools.com\/products\/tytan-international-llc-1000-ft-18-1-lb-white-twisted-nylon-seine-twine","provider":"1 Top Tools","version":"1.0","type":"link"}