Material: This high-quality ring size is made of stainless steel and is durable enough to put the ring around and work well. Rings can be easily enlarged. It is made of stainless steel and is solid enough to put a ring over it. It works well. Perfect for making rings and jewellery. Rings can be easily enlarged. Easy to use, economical and practical jewellery tool. Suitable for any jewelry store or personal use Application: Perfect for ring shaping and jewelry making. Easy to use, economical and practical. A simple strike with a raw leather hammer at the end of the tool spreads the outer mandrel and stretches the ring Customer Service: If you have any questions, please contact us, we will give you the best answer within 24 hours. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.