Feature:1. Gemstones Setting: Ring setting tool is mainly used for setting rhinestones, gemstones, etc. Exquisite workmanship, pay attention to tails, practical for use.2. Multiple Ring Sizer: 7pcs of ring sizer are available, with different size, you can choose according to needs. Easy to install and use, bring you convenience.3. Tool Set: A set of tools is available, which includes hammer, ring sizer, wrench and hex wrench, meet your different needs, suitable for jewelry maker.4. Portable Design: Conform to ergonomic design, easy to hold and operate. Compact and light weight, easy to store and carry, suitable for home and jewelry store.5. Alloy Steel And Plastic: Made of alloy steel and plastic material, safe and eco friendly, rust proof and corrosion resistant, firm and sturdy, wear resistant and durable.Specification:Item Type: Ring Setting ToolMaterial: Alloy Steel+PlasticSize:Hex Wrench Length: Approx. 5.7cm / 2.2inHammer Length: Approx. 13cm / 5.1inWrench Length: Approx. 9.2cm / 3.6inModel: Ring Sizer Diameter: 1.8cm / 0.71in, 1.7cm / 0.67in, 1.6cm / 0.63in, 1.5cm / 0.59in, 1.4cm / 0.55in, 1.3cm / 0.51in, 1.2cm / 0.47inUse: Ring Rhinestone Setting Tool Package List:1 x Wrench1 x Hammer7 x Ring Sizer1 x Hex WrenchNote:Please allow slight error due to manual measurement. Thanks for your understanding.