Pro City Parking Barriers created to be strong & more resilient than parking posts due to its 3 point fixing Made of 50mm diameter Sendzimir galvanised steel tube Supplied with self adhesive red reflective strips Central Telescopic Leg Cast Aluminium Feet Key lockable 3 keys supplied per barrier. Options for keyed to differ or keyed alike Automatic push closure Easy installation using u shaped ground fittings & M8 hex safety tamper proof nuts (supplied)