Jewelry Tool Measuring Stick Mandrel Ring Sizer Gauge Finger Size Guage Rubber Hammer for Jewelry Making Jewelers Tools Specification: Condition: New Material: Stainless Steel and aluminium Step:Fistly put your finger into the 27pc ring sizer set, choose a suitable size, then measure the size with the ring sizer mandrel. There is no relation between the size of the ring and the size of the stick. The rings are used to test the size of your finger, while the size on the stick is your ring size. The sizes are grooved on one side to prevent chipped stones. Hammer made of nylon and rubber mallet heads help to avoid scratches when working with jewelery/metal Mandrel is used in Jewelry making and repairs for measuring, sizing and enlarging rings as well as in wire wrapping work. Package: 2 * Ring Sizer Mandrel 1* Handle Hammers 1 * Ring Sizer Set