The baseboard size is approximately 3.2/1CM, with a wall thickness of about 1MM. Please refer to the photos for product size. I will not answer questions. As this is a handmade product, there may be some slight variations, please understand. Copper products will oxidize over time. The color may change slightly. Please check the images and size, and make your purchase based on your own judgment. We may not be able to accurately convey the condition and size of the product. Please understand. Regarding the size, please understand that it is measured and photographed by an individual. We do not accept cancellations after purchase, so please be careful when making a purchase.