Tremron RW0-3802-W3220-T 4" x 7"/5" x 8" Sierra Munich Wedge Block - Available in two different shapes and sizes, Munich wall blocks are simple and flexible. They have a seemingly endless variety of installation options, such as custom mailboxes, fire pits, seating walls, ponds, planters, and raised gardens. Further enhancing their beauty, each block is tumbled to create a natural, antique finish.