For multi use, Consists of 40pc 1/4"" & 3/8"" Dr. Socket Set contains, 3/8"" Dr. reversible ratchet handle, 3/8"" Dr. 75mm extension bar, 3/8"" Dr. x 16mm spark plug socket, 150mm spinner handle, spin disc, 12pc 1/4"" Dr. sockets with various AF sizes (5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2""), 3pc 1/4"" Dr. (8 point) sockets with various AF sizes (1/4, 5/16, 3/8"") & more