All fixture hangers protect fixture against wind and vibration damageEnclosed and gasketedUNJ ball type hangers are economical general purpose hangers that permit a 15 deg swing3/4 in fixture stem
Emerson Electric Appleton® UNILETS® UNJ-75 Flexible Ball Hanger, 3/4 in, For Use With IMC/Threaded Rigid Metallic Conduit, Malleable Iron/Steel