31 / 80 31 toolboxes the figures refer to the picture on page 29. size gas flow ox - ac - ox l/h material thickness mm part no. 1 80 0.5 - 1.0 300409 2 160 1.0 - 2.0 300422 3 160 x 2 1.0 - 2.0 307360 4 315 2.0 - 4.0 300424 5 500 4.0 - 6.0 300435 6 800 6.0 - 9.0 300434