Our fixed round, surface mount bollards are designed for traffic control situations and asset protection. The surface mount bollards have fully welded base plates and are suitable for installation onto any concrete surface. Suitable for installation in asphalt or any soft surface where a concrete footing will be necessary. Read More: https://www.esafetysupplies.com.au/safety-product/bollards-and-barriers/bollards-surface-mount/surface-mount-bollard-90mm/