... standard galvanized steel pipe. C. Deck, stair, bridge: Wood inside with Soft Covering PVC. (Different material is available ... rolled into equilibrium, high strength, sound thickness with the standard of GB/T 4454-1996.4 ... and handrail With Ø 60mm, thickness of 2.2mm steel, Ø 32mm, thickness of 2.2 mm pipe, Ø25 ... toy.com We have various designs with different size and theme available to meet your ...