Product Description: Heat Set Insert Brass Nuts M2 M3 M4 M5 M6 M8 Threaded Inserts with 3D Printer Press Tool Elevate your 3D printing projects with our Heat Set Insert Brass Nuts, available in sizes M2, M3, M4, M5, M6, and M8. This comprehensive kit includes a high-quality press heat insert tool designed for use with various pen soldering irons. Perfect for both hobbyists and professionals, this tool is essential for creating durable and reliable threaded inserts in your 3D printed designs. Scope of Application Our heat set inserts are compatible with a range of pen soldering irons, including popular models such as Delixi 877, arz c, LT66, TS100, TS101, and Pinecil. These inserts are commonly used in 3D printing to embed hot melt copper nuts or implant nuts into plastic, ensuring a strong and lasting bond. Sturdy and Reliable Construction Designed with high mechanical strength in mind, the profile brackets provide a simple structure that is easy to assemble. The main body of the tool is constructed from durable aluminum, ensuring longevity and reliability. Additionally, the appearance can be customized to meet your aesthetic preferences, making it a versatile addition to your toolkit. Innovative Tension Spring Design This heat set insert tool features a tension spring mechanism that allows the soldering iron to reset automatically after use. This design not only enhances the tool's practicality but also protects the soldering iron tip, making it simple and efficient to replace when necessary. Smooth Pulley Operation The tool incorporates a unique pulley design with four sets of pulleys, ensuring that the soldering iron tip can be smoothly pressed down during operation without any jamming. This feature enhances the overall user experience, allowing for precise and consistent results every time. Adjustable Working Conditions The adjustable structure includes upper and lower limits, allowing you to customize the tool according to your specific working conditions. This ensures that the soldering iron presses down to the correct limit without damaging the workpiece, providing you with peace of mind during your projects. Upgrade your 3D printing capabilities with our Heat Set Insert Brass Nuts and Press Heat Insert Tool. With its robust design, user-friendly features, and versatility, this tool is perfect for anyone looking to achieve professional-quality results in their 3D printing endeavors.