Cylindrical cast iron post with a cross section of φ12 cm for blocking parking and pedestrian protection is 60 cm high visible above the sidewalk and a total height of 67.5 cm with a φ13 cm ring, the piece that is anchored inside the sidewalk is 13 cm. The pillar is made of special specification cast iron in order to withstand impacts and have a long life span. It has a smooth and shiny surface. It has a crimp ring 7 cm from the top. There is the possibility of having 3 rings. It is first painted with primer and followed by 2 layers. its final paint.