Pin & Sleeve Devices feature sturdy nylon construction, rugged design with corrosion resistant components for lasting electrical performance. Watertight sealing that provides IP69K protection so you can feel confident in even the most severe washdown environments.FEATURES:- Nickel plated pins and contacts offer long life corrosion protection- Plugs have a lockout hole for added safety- Individual Silicone Sealing Grommets with cord diameter indication provide for faster and easier assembly- Tri-Combo hardware for convenience- Threaded NPT cable entry provides an efficient means of attaching flexible conduit or wire mesh grips- Inlet and receptacle mounting footprint and blind holes provide interchangeability with major brands