Feature: All metal structure, this bracelet groove tool has high hardness, solid and for long term use. Multiple different groove in one tool, practical and convenient for use. Fine polished surface is rust and corrosion resistant. The edges and transition parts are all even and smooth, which helps you make high grade jewelry. Great DIY tool for the processing of bracelet, ring, etc. Spec:Condition: 100% Brand NewMaterial: MetalOptional Type: 100m, 120mm, 150mm100mm Size: Approx. 10*3.1*1.9cm/3.9*1.2*0.7in120mm Size: Approx. 12*3.5*2.3cm/4.7*1.4*0.9in150mm Size: Approx. 15*3.6*2.4cm/5.9*1.4*0.9inPackage List: 1 * Jewelry Making Tool Note: Due to manual measurement and irregular shape, please allow certain errors in measurement, thank you for your understanding.