Box/Conduit Threaded Rod Hanger, Compatible Pipe Size 1/2 in, 3/4 in, Steel, Finish Corrosion Resistant Coated, Gray, Overall Length 18 in, Compatible Conduit Trade Size 1/2 in, 3/4 in, Compatible Conduit Type EMT, Compatible Nominal Conduit/Pipe Size 1/2 in, 3/4 in, Threaded Rod Mount, For Use With 4 in Square Boxes, Mounting Hole Diameter 0.25 in, Mounting Type Screw, CEC Compliant, cULus, NEC Compliant, Conduit and Cable Hangers. This item has been restricted from sale in the following state (s): []