Professional-grade mason line engineered for precision layout and marking on job sites. This 500-foot spool of #18 braided nylon delivers consistent tension and visibility with its bright neon yellow finish, making it ideal for masonry, construction, and landscaping applications. The flex-bonded construction resists fraying and tangling, while the durable braided design withstands repeated use and outdoor conditions. Essential for establishing straight lines, squaring corners, and maintaining accuracy on demanding projects.
