General description Ring Size Tool set is an essential kit for both professionals and beginners in jewelry making. This comprehensive set includes a metal mandrel measuring rod, a rubber hammer, a ring measuring stick, and a plastic ring belt, all designed to help you accurately determine ring sizes and maintain the integrity of your jewelry. Technical specifications Material: Metal and rubber Metal ring mandrel size: US sizes 0-13 Plastic ring belt size: US sizes 1-17 Includes 27 stainless steel ring size circles Measurement allowed error: +/- 1-3 cm Compatibility and accessories Includes 1 rubber hammer Includes 1 ring mandrel Includes 1 ring measuring stick Includes 27 round stainless steel ring size circles Includes 1 plastic ring belt Usage Use the rubber hammer to hold and adjust rings without damaging them Utilize the ring mandrel to shape rings accurately Employ the ring measuring stick and plastic ring belt for quick size determination Other information Note: Due to different