Self-Locking Zip Ties offer a secure and reliable solution for all your bundling and fastening needs. Crafted from industrial-strength Nylon PA66 material, these ties are fireproof, weather-resistant, and can withstand temperatures ranging from -35°F to 185°F. The innovative self-locking design features alternating tooth grooves that overlap, ensuring a tight grip and preventing the ties from loosening once secured. With their sturdy construction and versatile applications, these zip ties are an essential tool for organizing cables, securing loads, and countless other tasks.