3 x Ramco 600 Security Bollard Installed by Bison Products3 x Ramco 600 Security Bollards Installed by Bison Products Supply & Fit supplies and professionally installs three Ramco 600 round security bollards, fitted on site by Bison Products and covered by a 2 year installation warranty. The Ramco Round 600 is a fully telescopic driveway security bollard with a simple lift up lock and unlock lower operation designed for quick daily use. Powder coated as standard in black, the bollards protect vehicles and