The Keystone Elite 133™ is perfect for large wall applications. Its 200 x 600mm face dimension creates a larger-scale look, aesthetically matching the larger wall look and feel, while reducing the number of units required to complete the job. The Keystone Elite 133™ can satisfy a wide array of design requirements from corners to sweeping curves. National Masonry’s range of Retaining Walls will give your next landscaping project the winning edge. Available for pick up or delivery.