The complete kit includes a weldless bulkhead assembly to convert any kettle or converted keg (kegler) without welding. It has standard 2 piece full port valve, and 1/2\" hose barb. Fits into 13/16\" drilled hole in kettle or keg wall. All fittings are 304 stainless steel, 1/2\" NPT thread. Seals are all high temp silicone.