- Dimensions: approximately 180 × 50 × 85 mm
- Use: mainly in masonry and paving in the Netherlands and Belgium
- Origin: named after the Rhine region, where this format was widely used and produced
Many brick sizes are named after the region where they come from, such as:
- Waal format (Waal region)
- IJssel format (IJssel valley)
- Battle format (Battle region)
- Rhine format (Rhine area)
These names reflect not only the geographical origins but also the architectural traditions of those regions.