Bollars are strong steel barrier. It is permanently installed into the ground for security purpose. You will find bollards surrounding street store fronts, shopping malls, bike lanes, fire hydrants and gas meters, parking lots etc. sometime driver may lose control of their vehicles and ultimately crash into a building or property site. While some car crashes are accidental, others are done with malicious intentions. To prevent both accidents and malicious intentions activity, many businesses install bollards around the perimeter of their buildings .