Full Technical Description: Ball Hanger Type; Zinc Electroplated Feraloy (Body), Chromate Finish Electrogalvanized Sheet Steel (Cover), Aluminum Acrylic Painted Malleable Iron (Nipple) Material; 2 Hub(S); 125 lb Capacity; 1 Inch Conduit Size; Side, Feed-Through Hub Location; Fluorescent, HID, Incandescent Fixture Type; 3/4 Inch Fixture Stem Size; 20 Deg Swing Angle; Enclosure Class I Div 2 Group A B C D; ALT Model