... description Model numberBHL001Materialgalvanized steel with powder coated, LLDPE and so on... Steel pipediameter of 114mm, wall thickness of 2.2 mm ... . Upright column:The upright column is made by a steel pipe with diameter of 114 mm, wall thickness of 2.2 ... in Australia. Safe and eco-friendly, the plastic parts put on an excellent performance in weather fastness, toughness, intensity, ageing resistance ...