Professional-grade #18 braided nylon mason line from Stringliner in high-visibility fluorescent yellow. The 500-foot roll provides plenty of line for large-scale layout projects. Braided construction resists fraying when cut and handles smoothly without tangling.

• #18 braided nylon construction line
• 165 lb tensile strength for heavy-duty use
• 500-foot replacement roll
• Braided design won't unravel or fray when cut
• UV-resistant nylon resists rot and mildew
• Fluorescent yellow for maximum visibility on the job site
• Fits standard Stringliner reels and most reel systems

Applications: Masonry layout, concrete formwork, fence alignment, landscaping borders, and general construction reference lines.