Designed for bundling cables and wires into a bunch and installing cable lines and conductors. Self-locking strap, locking mechanism. Made of Nylon 6.6, resistant to aging, corrosion, exposure to salts, ultraviolet, acids, alkalis, alcohol, gasoline, and oils. During the production of black-colored cable ties, carbon powder is added, which is one of the most effective stabilizers. It improves the physical properties of the products in terms of resistance to weather conditions and UV radiation (direct sunlight).