Steel Post and Concrete Rail Products High Post offer a selection of retaining posts suitable to most applications. Please contact High Post prior to ordering to ensure the best outcomes. We have designed our posts to have solid embedment in the critical zone of influence whilst adding welded reinforcement bars to the base. This ensures our posts can be cut or lengthened to suite required depth in a variety of situations. We have standardised the post lengths that are adaptable should you need stock or order a variety of lengths.