"steel sheet 0.6 mm coated, punched, bendedmatching module length 1'751 - 2'000 mmlength: 2'050 mm, footprint: 2'050 x 237 mmmaterial: steel DX51D, coating AZ185>> Depending on conditions of storing the steel sheets and the weather, the surface may change visually. This does not impair the functioning and will thus not constitute claims with regard to warranty and liability on AEROCOMPACT's side. <<"