89mm Posts Galvanised + Powder Coated 3.5" Sign Post - S275 Grade SteelThe 89mm powder coated sign posts are ideal for urban environments where planning requires painted signs and light posts. Made from thick 3mm steel, they are extremely robust and suitable for a wide range of applications and locations. These posts are made from durable corrosion resistant galvanised steel, which is then powder coated black or grey. The finished surface is smoother than can be achieved by more traditional do it yourself methods. The