This Stainless Steel RB-200SS. Fully Telescopic Security and Parking Post. Locks into the upright (and down) position with an integral top lock, when not in use it retracts back into the ground base leaving a totally flush ground surface (safe for pedestrians and vehicles to cross). The post has a protective seal between the top post and ground sleeve, when not in use there is a hinged lid that completely covers the top of the post. Telescopic Posts are the strongest design of Post or Bollard due to the fact that their is more material under ground than above. This quality looking post is ideal for installations in the front of all types of domestic homes & small retail premises, locations where Security and Appearance is important. Keyed Alike and Keyed Differ available from the options in the listing! Very popular due to the quality Stainless Steel Finish! 1 x Stainless Steel RB-200 Telescopic Post. 1 x Integral Lock. Seal Between Post & Base: Yes. Colour: Bright Stainless Steel. Top Post Diameter: 90 mm. Height of Post when Raised: 480 mm. Height of Ground Base: 750 mm. Diameter of Ground Base: 110 mm (Tube). Size of Base Top: 210 x 160 mm. Wall Thickness: 3 mm. Total Weight: 20 Kilo.