4 Ramco 100 Telescopic Driveway Security Bollard - Fully Installed4 Ramco 100 Telescopic Driveway Security Bollard Fully Installed 4 Ramco 100 Telescopic Driveway Security Bollard Fully Installed provides a practical, heavy duty solution for securing driveways and individual vehicles. Designed for driveways over 7. 5 metres or to protect up to four cars individually, the Ramco 100 posts retract flush when not in use and pull up easily when needed. Each bollard measures 540mm in height with an 850mm depth of