Description: 【3D Printer Smoothing Kit】Includes 17 pieces: 1 soldering iron adapter, 7 sizes of heat set nuts, and 9 soldering tips 【Premium Material】The soldering iron tips are made from premium brass material, wear resistant, sturdy, not easy to break and ensure a long time to use 【Multiple Functions】The heat insert nut iron tips kit features a wide range of tip lengths and nut sizes, catering to various carving, embossing, and fixing needs, suitable for versatile pyrography, engraving, and repair tasks 【Wide Applications】The solder tips trimmer heads allow for detailed adjustments and fine tuning of your woodwork or 3D printing projects 【Easy Installation】The 3D printer smoothing tool kit adopts a threaded design that ensures secure contact and stability during extended heating and use, making setup quick and easy for both beginners and professionals Specification: Material: Brass Size Chart: Welding nozzles: Lengths 1.75cm/0.69inch, 1.35cm/0.53inch, 1.7cm/0.67inch, 1.95cm/0.77inch, 1.75cm/0.69inch, 2.5cm/0.98inch, 1.2cm/0.47inch, 0.95cm/0.37inch, 2.4cm x 1.6cm/0.94inch x 0.63inch Thermofused nuts: 1.5cm x 0.62cm/0.59inch x 0.24inch, 1.5cm x 0.46cm/0.59inch x 0.18inch, 1.4cm x 0.25cm/0.55inch x 0.10inch, 1.5cm x 0.39cm/0.59inch x 0.15inch 1.5cm x 0.3cm/0.59inch x 0.12inch, 1.4cm x 0.21cm/0.55inch x 0.08inch, 1.25cm x 0.14cm/0.49inch x 0.06inch Soldering Iron Adapter: 3cm x 0.65cm/1.18inch x 0.26inch Package Includes: 1 Set/17 Pieces of 3D Printer Smoothing Tool Kit Note: Please allow slightly errors due to manual measurement and different monitors.