... carbon steel Size:1/8"- 6" MOQ:1000 Pcs Full thread carbon steel socketPlace of Origin: China high quality ... sockets, merchant coupling, hose coupling, hose mender,king nipples, full thread couplingProduct: steel sockets/steel merchant coupling/steel coupling/carbon ... or electrical galvanized and black3) Sockets are available in full sockets, half sockets and Special sockets.4) Standard according ...