4″ Concrete Block Precast Concrete Desired Quantity - + Unit Available Colors Product Options 4 Inch Features in -- StandardASTM C90Internal Cavities6Width (in)3 5/8Height (in)9 5/8Length (in)19 5/8Average Strength at 7 Days70 kg/cm2Weight (lb.)37.5 poundsUnits per Cube100Moisture Absorption<5 %Units per m28 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