Redi-Rock Ledgestone, a new retaining wall face from Redi-Rock International, gives structural walls a rugged, natural look. The stones can be used to build tall gravity walls; users can achieve more height with reinforcement. Middle blocks weigh 2400 pounds, measure 46″ by 41″ by 18″ high, and offer 5.75 square feet of face. redi-rock.com