Pro quality construction, 17 mm x 19 mm flip socket, 21 mm x 22 mm flip socket, 3/4" x 13/16" flip socket, 7/8" x 15/16" flip socket, 17 mm x 19 mm flip socket. 21 mm x 22 mm flip socket 3/4" x 13/16" flip socket, 7/8" x 15/16" flip socket, 3" extension bar, Chromium molybdenum steel black phosphate finish