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. round Ø 12 cm.Parts list:N°5 wooden poles arranged in a cross in a central and n.4 of varying heights.N°4 horizontal bars made of tubular galvanized steel oven 180° C.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.