The Leviton 3431C is from the Leviton s black white line of industrial grade locking blade plugs and connectors. It has a rugged construction that resists impact, sunlight and chemicals. Also this device provides great quality and performance in the most severe industrial settings. This corrosion resistant versions includes nickel plated contacts and blades, also stainless steel shrouds and screws. The body of the Leviton 3431C material is impact modified nylon.