Halex 21220 Zinc Set Screw Coupling, 1/2" The product is 5PK 1/2" EMT Coupling Easy and simple use kit The product is manufactured in China Set screw coupling Use to join two lengths of EMT conduit together Made from zinc 1/2-Inch 5 per bag Set screw coupling Use to join two lengths of EMT conduit together Made from zinc 1/2-Inch 5 per bag