Premium galvanized steel lock profile with precision-engineered aluminum channel for superior durability and corrosion resistance. Specially designed zigzag wire ensures secure film fixation, ideal for agriculture greenhouses and high-wind environments. Heavy-duty construction features hot-dip galvanized coating (60-80μm) for extended outdoor lifespan. Unique interlocking mechanism provides effortless installation without specialized tools. Compatible with standard greenhouse films (0.15-0.2mm thickness). CNC-milled edges prevent film tearing during tensioning. Weather-resistant alloy maintains structural integrity from -30°C to 80°C. Cost-effective solution for commercial nurseries, hydroponic farms, and seasonal crop protection systems. Bulk packaging available for large-scale agricultural projects.