Made of aluminium, the surface is red and powder-coated. It features rubber caps for impact protection and a non-glare round vial. The level is 180 cm long and includes a second vertical vial. Measuring accuracy in normal position is ± 0.5 mm/m, and in inverted position is also ± 0.5 mm/m. Further technical information includes a colour of red and an accuracy of ± 0.5 mm/m.