1/2" female NPT threads 3/8" body High quality Corrosion-proof steel Industrial-style coupler plug Prevost 1/2" Female NPT x 3/8" Body Steel Plug URP086203 Brand-new, high-quality steel 1/2" female NPT coupler plug by Prevost. This coupler plug is industrial style, so it is only compatible with couplers that accept a 3/8" body size industrial-style plug. Made of corrosion-proof treated steel, these are some of the most durable, solid steel plugs you can find on the market. A quality plug can increase the life of your couplers, so don't take a chance with a cheaper product! Features 1/2" female NPT threads 3/8" body High quality Corrosion-proof steel Industrial-style coupler plug Total length: 1.97"/50mm