• #18 Braided Nylon Construction: Tightly braided #18 nylon string resists fraying, stretching and moisture absorption; holds a straight line in wind and weather for accurate alignment across long spans
• High Visibility Colors: Bright through-braid color stays visible against concrete, soil, brick and asphalt; UV-stable dye resists fading in direct sunlight for multi-day layout projects
• Professional Mason String Line: Trusted by bricklayers, block masons and concrete finishers for level courses and straight walls; lightweight spool feeds smoothly from a line reel or tie wire reel
• Multiple Lengths Available: Choose 250ft, 500ft, or 1000ft to match your project scale; generous spool length reduces mid-job changes on large foundations, landscaping layouts and survey runs
• Clean Cut Non-Fray Line: Braided construction cuts cleanly without unraveling; no wasted time re-twisting frayed ends; consistent diameter maintains accuracy across the full spool for reliable lines

Shipping

We offer free 2-7 day shipping on most orders over $50. See checkout for full shipping details.

Warranty

We make products that are built to work and built to last. Please see our Warranty Page for a full warranty breakdown by product

30 Day Risk-Free Trial

Use our tools for 30 days risk free, and if you're not satisfied for any reason at all you can send it back, no questions asked.