M. S. International Terrado Knoxville gray manufactured corner stacked stone offers a refined traditional look featuring warm gray and subtle copper tones in naturally varied shapes. With exquisitely engineered artistry that minimizes color variations, this corner stacked stone is specifically designed for installation efficiency and requires no maintenance. It adds color, dimension, and beauty to your space, making it the affordable choice for enhancing architectural features, fireplace facades, feature walls, and more. Backed by a limited lifetime warranty for ultimate peace of mind, Knoxville gray casts the authentic look and feel of natural stone in every box of carefully chosen pieces. The tiles come in two separate sizes that can be used as traditional corners or inverse corners. Each tile features a natural finish with a low sheen with variations in tone..