- Concrete/reinforced concrete pipes DIN EN 1916 and DIN 1201, - Shaft material dN 1000, DIN EN 1917 and V 4034-1 - Pipe shapes construction length 2.00 m, concrete pipes with foot in the nominal widths: DN 300 to DN 1000 incl. lower sleeves and accessories Shaft ring shapes: - DN 1000, manhole ring, height 250 - 1000 mm - DN 1000, manhole cones, construction heights 600 - 1100 mm