The 12" x 17.5" x 4" Keystone Builder 3 Way Retaining Wall Limestone is a versatile and durable retaining wall block perfect for various landscaping projects. Made from high-strength, low-absorption concrete designed to mimic natural limestone, these blocks are both functional and aesthetically appealing. The 3 Way feature allows these blocks to be used in straight walls, corners, and curved configurations, offering flexibility in design and easy installation. Whether used for residential or commercial landscapes, this block ensures a timeless, classic appearance with its natural limestone design and straight face finish.