Description: 【Product】: This is a set of small metal rods, for hand winding wire and creating intricate jewelry designs with gold, silver, and copper wires. These tools are essential for any jewelry maker or goldsmith. 【Material】: Made from quality stainless steel, these rods are sturdy and resistant to rust and corrosion. They will maintain their shape and integrity even after repeated use. 【Muilti Size】: The rods come variety of diameters, allowing you to create different sizes of loops or coils in your jewelry designs. 【Function】: The rods providing ample space for winding wire or creating intricate patterns, for all your jewelry making needs. 【Multifunctional Uses】: This kit can be crafted of jewelry wire, earrings, bracelets, necklaces, and more DIY crafts projects. Specification: Material: Stainless steel Size Chart:Lenght 15cm/5.91inch, diameter 1.0 1.1 1.2 1.3 1.4 1.5 1. 6 1.7 1 .8 2.0 2 . 2 2.4 2.6 2 .8 3 . 0 3 . 2 3.4 3.6 3 . 8 4.0mm; Package Includes:20 Hollow Rod Note: Please allow slightly errors due to manual measurement and different monitors.