Contains: 7 National coarse dies, sizes: 1/4" - 20, 5/16" - 18, 3/8" - 16, 7/16" - 14, 1/2" - 13, 9/16" - 12, 5/8" - 117 National fine dies, sizes: 1/4" - 28, 5/16" - 24, 3/8" - 24, 7/16" - 20, 1/2" - 20, 9/16" - 18, 5/8" - 186 metric dies, sizes: M6 x 1, M8 x 1.25, M10 x 1.5, M12 x 1.25, M12 x 1.5, M12 x 1.756 National coarse taps, sizes: 1/4" - 20, 5/16" - 18, 3/8" - 16, 7/16" - 14, 1/2" - 13, 9/16" - 126 National fine taps, sizes: 1/4" - 28, 5/16" - 24, 3/8" - 24, 7/16" - 20, 1/2" - 20, 9/16" - 186 metric taps, sizes: M6 x 1, M8 x 1.25, M10 x 1.5, M12 x 1.25, M12 x 1.5, M12 x 1.75One SAE rethread file, 8 sizes (threads per inch) 11, 12, 13, 14, 16, 18, 20, 24One metric rethread file, 8 sizes (millimeters per thread): .75mm, 1.00mm, 1.25mm, 1.50mm, 1.75mm, 2.00mm, 2.50mm, 3.00mmPackaged in a plastic blow molded case