Steel bollard Place of origin:shandong, china (mainland) Brand name:bp Model number:diameter of 90mm, 140mm, 165mm, etc. Material:steel Wall thickness:2mm, 3mm, 3.5mm , 4mm and 5mm etc Outer diameter:63.5mm, 90mm, 140mm, 165mm or according to customer's demand Base plate size:250*250*12mm, 225dia.*12mm thick Height:1000mm, 1200mm, 1500mm or according to customer's request Surface treatment:hot dipped galvanized, powder coated Top:steel welded cap, plastic cap etc Color:powder coated yellow or others Application:used to protect property from collisions. Feature:great corrosion resistant