American Olean Stone Source Thresholds 4" x 36" Double Bevel Natural Stone Tile Polished 20mm is the ultimate solution for those who value both style and durability in their flooring transitions. The 20mm thickness adds substantial strength, making it suitable for high-traffic areas or commercial applications. This threshold tile’s 4" x 36" size and polished natural stone finish create a sophisticated and seamless transition between rooms. The double bevel edges provide a clean, finished look, ensuring that this threshold tile enhances the overall aesthetic of any interior while offering exceptional durability for long-term use.