Cautionary Notice--Please apply one or two layers of tape on the steps you are going to use. The size of each ring has enough space to accommodate the tape, which helps protect the inside of the ring from being scratched and ensures its normal operation. High Quality--The Bracelet Mandrel Set is made of iron, ensuring it can meet the demands of daily professional use. Its sturdy design guarantees durability and reliability, enabling it to fulfill all your bracelet crafting tasks Practical and Efficient--This lathe rotates your rings, allowing you to easily switch between sizes and work on multiple rings at once. It's designed to significantly improve your work efficiency Package Included--You receive a set of Expanding Ring Mandrel tools, equipped with a hammer. The tools are more comprehensive and convenient for daily use. Please refer to the picture for the size of the tool Wide Application--An essential tool for crafting and shaping bracelets, bangles, and rings. Easily adjust sizing and achieve a comfortable, fit in seconds, Manufacturer: Akfldms