6″ Concrete Block Precast Concrete Desired Quantity - + Unit Available Colors Product Options 6 Inch Features in -- StandardASTM C90Internal Cavities2Width (in)5 5/8Height (in)7 5/8Length (in)15 5/8Average Strength at 7 Days70 kg/cm2Weight (lb.)31.8 pounds.Units per Cube38 y 162Moisture Absorption<5 %Units per m212.5 Delivery and transportation I want transportation in the Dominican Republic I want transportation outside the Dominican Republic Choose your destination in the Dominican Republic Choose your destination in the Caribbean