The Moroso chrome-plated pipe plug set includes four 3/8-inch NPT threaded plugs for sealing unused ports and fittings. With a polished chrome finish, these plugs are intended for mechanical sealing where NPT threads are used and are sold as a four-pack to support multiple sealing points in engine or plumbing applications.
Moroso Chrome Plated Pipe Plugs - 3/8in NPT Thread - 4 Pack