The LOCK WASHER INTERNAL ZINC #12 INTERNAL TOOTHED is crafted from durable spring steel, ensuring reliable performance in various applications. Its inwardly extending prongs provide superior grip and locking capabilities, making it ideal for situations where a clean, finished look is essential. This washer is particularly suited for use in automotive and industrial environments, where vibration resistance and secure fastening are critical. The zinc coating offers additional corrosion resistance, enhancing longevity and durability.