Certificate in accordance with European Standards EN 1176 by the German TÜV - SÜD.Made of wood laminated pine timber autoclave with non-toxic salts.The structure consists of four pillars sect. 9x9 cm and two handrail section. 11x6,5 cm while the path of nine beams of sect. 7x7 cm attached to the handrail in wood by the chain-mesh welded and hot-galvanized.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.