Pin connection system minimizes setback for a vertical wall appearance. Single unit gives the look of multiple units when installed. Ideal for medium sized straight retaining walls or planter beds. Made with environmentally friendly and extraordinarily durable concrete. Color, dimension, weight and texture may slightly vary due to natural materials used during manufacturing. Lowe’s 16-in L x 6-in H x 11-in D Antiqued Tan Charcoal Blend Retaining Wall Block in Brown | 10940824