Unfortunately, the length is not as specified 42.0 cm, 41.7 cm only. In the absence of 3 mm it depends, however! Due to short length, the free insertion into a standardized modern electric oven (eg AEG o. Elektrolux) impossible. For this purpose, 42.0 cm indispensable as the minimum length. Better are 42.5 to 42.7 cm. With 41.7 cm allows the sheet only to an inserted grating with bars (or some other wider sheet) leave in the oven.