Cast In 1800mm Double Run RSJ Armco Barrier Post Galvanised SteelThis 1800mm tall Armco post features pre drilled mounting locations for double height Armco rail, although the post is 1800mm in total length, a large portion of this once installed will sit below ground. As these are cast in posts they are suitable only for areas where excavating a foundation is possible. These areas might be on verges at the edge of a car park or driveway where a barrier is required to prevent vehicles from leaving the hard