Premium zinc-coated wire ensures superior rust resistance and durability for long-term use. Precision-coated head-tip design prevents wear and maintains locking stability under heavy tension. U-type head construction distributes force evenly to withstand extreme pressure without bending. Heavy-string mechanism delivers industrial-grade security with smooth operation. Meets strict 4.8 standard certification for reliable performance in construction, marine, and agricultural applications. Ideal for securing cargo, fencing, and heavy equipment with maximum tensile strength.