Certificate in accordance with European Standards EN 1176 by the German TÜV - Product Service.Made with wooden poles of pine autoclave treated with non-toxic salts of sect. 9x9 cm and tubular galvanized steel at 180 °C.Parts list:N°3 ladders with rungs iroko Ø 45 mm assembled together mediated n.14 horizontal bars shaped round tube Ø 40 mm and n.2 in shackles round tube Ø 25 mm.N°1 horizontal beam of wood outside the heart 120 mm in rotating device with hot galvanized steel.N°1 vertical handle shaped round tube Ø 25 mm.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.