Features: Each Mandel tool has 9 steps and different sizes of steel wire winding, which can be used as a jumping ring or ring making curling tool. Material: and rust free, the jewelry making set is sturdy and , and can be worn around the ring. It works well and is also suitable for wire processing, wire packaging, and wire jewelry. Wire Winding Rods: about 7mm in diameter, 102.5mm long, 4pcs; enough quantity to meet your needs, and you can also share your friends' enjoyment of handicrafts Widely Used: Metal wire wound mandrels are perfect for beginners and professionals. The spindle is 102.5mm and is machined to provide rings of different sizes time and time again. Very suitable for beginners and professionals in jewelry making. Easy to use: These wire work spindles can be used for wire work, including making jump rings, wire rings, and other jewelry making projects for jewelers to use, as well as metal work. Color:Silver Material:Metal Package Contents: 4 * Metal Wire Winding Rod 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.