Professional-Grade Mason Line System for Precision Work
Engineered for commercial masons and discerning DIYers, HONGDA's #18 braided nylon line sets the benchmark for job site accuracy. The high-density fluorescent orange cord maintains visibility through concrete dust clouds and twilight hours, with color retention proven across 200+ hours of UV exposure.
Uncompromising Straightedge Performance
True 1.5mm diameter (#18 spec) verified by calibration
328ft continuous length resists mid-span weakening
Zero-stretch core holds ±1/16" alignment over 50ft spans
Job Site-Tough Construction
The military-grade nylon braid withstands:
→ 20% higher trowel strike resistance vs standard lines
→ 160°F asphalt work environments without warping
Smart Reel Engineering
Our folding system features:
✓ Spool with handle for one-handed operation
✓ 360° swivel head prevents line twisting
✓ Compatible with industry-standard line levels
Multi-Trade Versatility
Masons: True plumb bob alignment across 3-story builds
Landscapers: Crisp garden bed borders resistant to weed trimmer damage
Surveyors: High-vis reference lines for calibration
DIYers: Perfect tile layout guides & workshop organization
High quality Mason Line
Each reel undergoes inspection including moisture resistance testing and knot tensile checks.
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