The product in display is Aluminum Ring Stick contains both U.S. and continental markings. It is a great tool for hobbyists and professional jewelers. Use this tool to reshape, and size rings. 10 inch Metal Ring Stick - Measures USA Sizes: 1-15 & European Sizes: 41-76. Scorpion is committed to providing the customer with the best source for value possible on the market. You will enjoy the quality, function and usefulness of our products. Note: Remember to wear eye protection. Note: Photographs are for illustration purpose only. Actual item may slightly differ from the pictures shown.