Square Retractapost-GL 900 Telescopic Bollard - Galvanised or Galvanised and CoatedThe Square RetractaPost GL 900 is an effective means of preventing unauthorised vehicle access. When not in use, the post retracts into its integrated socket and is covered by the integral lid. The post is lockable in the raised position by rotating the post 45 and then pressing the high security push button 7 pin security lock. The post is unlocked using the supplied key, rotated and then lowered. Simple and unobtrusive, the Square RetractaPost GL