1-1/2 Red Bronze LocknutThe 1 1 2 Red Bronze Hexagonal Locknut is a durable, corrosion resistant fastener used to secure threaded fittings and conduits in plumbing, electrical, and industrial applications. Made from high quality bronze this locknut provides excellent resistance to corrosion, wear, and harsh environmental conditions. It is commonly used in marine, plumbing, gas, fire protection, and electrical conduit systems to ensure a secure, leak proof, and vibration