2x1 galv coupling. Malleable iron pipe fittings. Size: 2" x 1", Material: Malleable Iron, Type: Reducing, Finish: Galvanized No. 8700135901: Size: 2" x 1-1/4", Material: Malleable Iron, Type: Reducing, Finish: Galvanized No. 8700135851: Size: 2" x 1-1/2", Material: Malleable Iron, Type: Reducing, Finish: Galvanized