Used only once. The heel is 7 centimeters. I am selling these because the size didn't fit. For reference, I usually wear 24.5cm, but these felt slightly large. *The condition of the product is based on the seller's subjective assessment, so please check the photos for confirmation. Please refrain from purchasing if you are sensitive to imperfections or are looking for a perfect item. *Please understand that these items are stored and inspected at home by a private seller.