Made of aluminum, the surface is red and powder-coated. It features rubber caps for shock protection and a glare-free round bubble level. The level is 180 cm long and includes a second vertical bubble level. The measurement accuracy in the normal position is ± 0.5 mm/m and in the inverted position is also ± 0.5 mm/m. Additional technical information includes the color red and an accuracy of ± 0.5 mm/m.