Inside Corner Trim. These are often used to hide the inside corners of a backsplash. Pure copper wrapped around wood. Trim pieces are available in all of our patina copper sheet finishes as well as raw copper. Installation is simple and quick. Easy to cut with a miter saw. Approximately 5/8" thick. Please don't hesitate to contact us via phone at 252-491-2812, via email at email@example.com, or through our "live chat" and we will be happy to discuss your project! Trim ships in 4-7 business days.