Complete Ring Measuring and Making Kit: Package includes: Ring Sizer x1, Ring Mandrel x1, Polisher x1, Double-Headed Jewelry Hammer x1, Polishing Cloth x1, Loose Ring Adjuster x6, Polishing Rod x2. The main material of this tool set is stainless steel, which is not easy to deform, and , ensuring that you can easily create beautiful custom rings. The included double-headed jewelry hammer adopts a double-head design, one side is soft rubber, which can fine-tune the shape of the ring without deformation, and the other side is hard plastic, which can complete production tasks more accurately. The ring sizer follows the US standard and measures sizes from 0 to 13, ensuring a for your custom ring and achieving professional results. All tools are neatly stored in a sleek black storage bag, making it perfect for on-the-go crafts or home use. Portable and Organize Colour:As Shown Material:Metal Package Contents: 1 set * ring sizer measuring tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.