UNILETS ALC Series Cushion Hanger, Size: 3/4 Or 1/2 IN Stem, Material: Malleable Iron With Steel Cover, Lamp Type: Incandescent, Fluorescent, HID, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Conduit Size: 1 IN, Standard: UL File Number E109438, For Use With Threaded Rigid Metal Conduit And IMC