The 12" x 16" x 6" Step Block Retaining Wall Limestone is a high-quality, versatile block designed specifically for building retaining walls, steps, and other landscape features. Made from high-strength, low-absorption concrete, this block mimics the natural look of limestone, providing a classic, timeless aesthetic. Typically used to create steps or staircases within a retaining wall structure, these blocks feature a straight edge and are also perfect for creating retaining walls, garden edging, pathways, or even freestanding walls, this block is designed for easy installation, making it a great choice for both DIYers and professional landscapers.