Permanent or Removable Steel Security Bollards. Bolt down, surface mount or in-ground models are our most popular steel bollards used for protection and security in car parks and pedestrian areas. Lockable and removable permanent bollards provide vehicle access when required and protection when needed. Galvanised Steel and Powder Coated Safety Yellow with bright reflective red bands, these high-quality Australian made products make an attractive addition to any premises or public area. Tranex also has a wide range of decorative and special purpose bollards used by Local Government, Parks and Reserves. Ask about our complete range.