EBayTackle any job—big or small—with our 18-Strand High-Strength Virgin Nylon Mason Line, engineered for durability, precision, and all-weather reliability. Each set includes 5 bulk rolls (1,300 feet each, 6,500 feet total) of premium nylon twine, offering exceptional value for contractors, masons, gardeners, and DIY enthusiasts alike. Built with 18 tightly strands of virgin nylon, this mason line delivers a 170-lb tensile strength, outstanding abrasion resistance, and superior knot stability—without fraying, kinking, or unraveling, even under heavy tension. Unlike twisted cords, its uniform weave stays true over long distances, ensuring straight, taut lines every time. Thanks to its high-visibility fluorescent color, the line remains clearly visible in bright sun, overcast skies, or low-light conditions, reducing alignment errors on construction sites, garden rows, or excavation zones. Plus, it’s highly resistant to UV rays and moisture, so it won’t fade or degrade when exposed to the elements. From laying bricks and leveling foundations to guiding vine growth, marking property lines, boating, crafting, or fishing—this versatile nylon string performs flawlessly across countless indoor and outdoor applications. 18-Strand High-Strength Virgin Nylon. Crafted from 18-strand high-strength virgin nylon, this mason line delivers exceptional UV resistance and weatherproofing for reliable performance in outdoor construction or gardening 1300FT Bulk Roll for Maximum Value. Each set contains 5 rolls of mason line, each roll is 1300 feet long, the tensile strength is approximately 170 pounds, suitable for most scenarios. You can cut the rope to different lengths as needed, making it ideal for bricklayers and contractors Durable and tensile resistant. Our mason twine has a tensile strength of approximately 170 pounds and is durable and abrasion resistant. Nylon mason line tight and uniform weave structure prevents it from fray or unravel when knotted, making it superior to nylon twisted cord. Also without knot & kinking down the stretch High-Visibility Fluorescent Color. Featuring a high-visibility fluorescent finish, this twine string stays bright and easy to spot in direct sunlight, overcast days, and low-light conditions, not easy to fade. Whether you’re marking construction benchmarks or guiding plant growth, the vivid color minimizes visual errors and keeps your projects on track Versatile for All Your Projects. Nylon Mason Line is designed for masonry and archaeological projects, and when used with a string line level, it can be used for heavy-duty indoor and outdoor projects for any commercial purpose. Examples include fishing, boating, masonry, crafting, gardening, and it can also be used for marking and DIY projects