... standard :BS1387-1985, technology standard :BS1387-1985)2, Guardrail and handrail With Ø 60mm, thickness of 2.2mm steel, Ø ... welded by the Japanese OTC robot welding system, strong and smooth, no rag, no welding scar. The anti- ... with the thickness of 2.3mm and 9mm of diameter, (EU EN1176 and USA ASTM).Anti-sliding,anti-water ... film inside, cotton covered outside Outdoor playground (Tree room series)