Haunch Plate typically has two holes that align with the holes in the standards, allowing for easy attachment to the scaffold. The plate triangular shape and holes enable it to span over the standard, providing a stable and level surface. are commonly used in building and bridge construction, as well as in retaining walls, underground structures, and other applications where stability and support are needed. Haunch Plate can be made of steel, aluminum, or carbon fiber and are available in different lengths and diameters to suit different applications.