Complete stainless steel 304 weldless bulkhead fitting for large kettle or stock pot Features: Made of high quality stainless steel, sturdy and durable to use. All finishes are non-toxic, safe and Eco-friendly. No welding required, easy to install. 1/2" Male NPT threads and 1/2" NPT locknut. It is easy to add a valve, thermometer, or other accessory to your brew kettle or cooler.