Dugite Permanent In-Ground Bollards (140mm x 1800mm – yellow) help prevent impact to buildings and assets from accidental damage or Ram Raids. This bollard is hot dipped galvanised for rust prevention and have an option to be powder coated with a red reflective band so it can be easily visible. Designed to be strong and durable. These bollards are normally embedded up to 600mm below the ground and can be concrete filled for maximum protection.