The product is a lot of 100 L.H. Dottie LN75 3/4″ lock nuts made of zinc-plated steel. These conduit fittings are designed for electrical metallic tubing (EMT) with a threaded connection. The silver-colored lock nuts are rigid in flexibility and have a minimum operating temperature of -30 °C (-22 °F). Perfect for businesses and industrial use, these nuts provide secure mounting through-hole style for electrical equipment and supplies. Shipping to lower 48 states only, no international shipping