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Whether you're a professional bricklayer, a homeowner with a DIY project, or just need a handy all-purpose heavy-duty string to keep around, SGT KNOTS Twisted  Mason Line #18 is here to do the job.

Made from 100% nylon, SGT KNOTS Twisted Mason Line #18 is resistant to wear and abrasion—you can trowel away without fear, and use it it many other high-stress applications without a loss of performance