The medium-sized Sila Tongkah retaining wall blocks are designed for efficient installation using machinery. This system offers a perfect balance of speed and beauty, making it an excellent choice for a wide range of projects. The diverse color options allow for customized designs, transforming your retaining wall into a unique focal point. With an innovative installation method, you can easily achieve heights of up to 2 meters. For even taller structures, combine these blocks with geogrids to reach heights of up to 6 meters.