This high quality 1800mm box section level from draper has a number of expert features making level reading easy precise and convenient the tilted horizontal vial features red opti visiontrade technology which ensures the levelrsquos horizontal bubble is highly visible and in direct line of the userrsquos sight the vertical vial benefits from dual viewtrade technology allowing the levelrsquos vertical bubble to be seen from the front or side of the unit manufactured from durabl