The Bartlett Nyloc Nut and Washer set is a durable and secure fastener combination designed for heavy-duty towing systems. The nyloc nut features a self-locking mechanism that prevents loosening due to vibration, ensuring a tight and reliable connection. Paired with a robust washer, this set is ideal for securing critical components in trailers, tow hitches, and other towing applications. Engineered for long-lasting performance, the Bartlett Nyloc Nut and Washer provide enhanced safety and stability in demanding environments.