Height: from 3meter to 16m poles Steel Grade: Chinese Q235, European Steel S355; American Steel: ASTM A572 Gr. 50, 55 or 65 Pole Shape: Conical Round Pole with 1:12 or 1:10 tapering ratio Polygonal: 8-sided, 12-sided, 16-sided, 20-sided, 24-sided Finish: Hot-dip Galvanization and Powder-coat