1). Combined - type fence design. 2). Galvanization treatment at the welding point. 3). Hot-dip zinc treatment both inside and outside the pipe. The thickness of zinc is ¡y70|¨¬m, then spray epoxy powder, the thickness is ¡y0.04mm, then spray anti-ultraviolet polyester powder as the surface, the thickness is ¡y0.04mm. You have no warroies about rustness. Size: 1.0*1.5m Dimension: 40*40*1.0 post, 19*19*0.7 pickets, 32*32*1.0 rail