Thickness:1 mm to 30 mm Type:Straight Pole ,Tensile Pole ,Turn Pole Suit for:Electricity distribution Shape:Conoid ,Multi-pyramidal , Columniform,polygonal ... from Q460 ,ASTM573 GR65, GR50 ,SS400, SS490, to ST52 Power:10 KV ~550 KV Tolerance of dimension:+- 2% Safety Factor ... treatment:Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required. Joint of Poles ...