This new hollow-core wall block is a budget-conscious retaining wall system featuring the same great quality and dimensional tolerance you would expect of Techo-Bloc’s dry cast systems. The smooth texture produces a modern look and is available in two grey tones and two brown tones to provide greater design versatility. Engineered to be light-weight, easy to install and structurally sound, these single Square-face-foot units provide the ultimate in on-site productivity without compromising quality or aesthetics.