Standard Concrete Block Grey Inter-Locking 6in L x 16in W x 8in H

This standard concrete block is useful for construction, remodeling, and landscaping projects. Concrete block is ideal for retaining walls and building walls or to serve as a foundation for most structures. It's moisture- and termite-resistant. They have hollow compartments inside to allow for rebar and cement for reinforcement. Uniform design and grooves allow each standard concrete block to stack or fit into the next one for more stable construction. Stack the blocks together with or without cement or mortar. Uniform color and texture, Dimensionally true form uniform construction, No large chips or breaks, Meets ASTM C 90 rating, Performs well in direct contact to the ground, Very energy efficient thermal mass characteristics, have excellent sound proofing qualities and are affordable