High-quality Material: This jump ring maker is mainly made of aluminum, steel, and high-speed steel, making the product wear-resistant and corrosion-resistant, so it can keep beautiful and practical for a long time, and you don't need to replace it frequently, which will save you cost to some extent. Exquisite Workmanship: The product adopts an oxidation and chrome plating process, making the product not easy to fade and rust, and the surface smoother and more complete so that the service life of the product can be effectively extended. Multiple Specifications: The product comes with 20 mandrels from 2.5-12mm/0.1-0.47inch, which are suitable for most jewelry without damaging them, and the effect is good, fully meeting your needs. Powerful Function: With this product, you can precisely wind and cut the jewelry, and the processed jewelry can be more beautiful and attractive. Simple Operation: The maker is equipped with a power auxiliary handle device. You just need to place the jewelry on the installed machine, select appropriate mandrels, and then operate it through the handle without tedious steps,