This 4 in. x 8 in. x 16 in. 2-Hole Concrete Masonry Unit, Gray is suited for above-grade masonry walls and foundation applications where dependable concrete construction is required. The uniform shape, color, and texture help maintain consistent courses during installation, while its weather-resistant concrete construction supports long-term outdoor use. Weighing approximately 36.5 lb. per block, it provides substantial structural mass while remaining manageable for experienced DIYers and tradespeople using appropriate handling practices.