Includes: STANDARD: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, INCH METRIC: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 MM This set Does Not come in a case or on a socket rail This product will arrive out of retail packaging for shipping purposes. (Bulk Packaged) Includes: STANDARD: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, INCH. METRIC: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 MM. This product will arrive out of retail packaging for shipping purposes. (Bulk Packaged). This set Does Not come in a case or on a socket rail