This heavy-duty locknut from Southwire is designed to securely fasten 1.25 inches of threaded conduits or connectors to electrical junction boxes and enclosures, ensuring a reliable connection in your electrical systems. Constructed with zinc electroplating, it boasts excellent corrosion resistance, making it ideal for use in damp locations. UL and CUL listed for safety and compliance, this product comes in a convenient 50-pack, providing durability and dependability for a variety of installation needs. Increase the integrity of your electrical setups with this essential component, designed to meet the demands of any project.