Upgrade 3D printed parts with strong, reliable metal threads using this professional heat set insert tool kit. The set includes an 80W digital soldering iron, heat set insert tips, and 520 brass inserts for installing threaded inserts into plastic and 3D printed components. The rapid-heating soldering iron features an LED temperature display and anti-scald grip for better control during installation. With multiple tips for M2, M2.5, M3, M4, M5, M6, and M8 inserts, this kit is ideal for prototypes, repairs, RC parts, drones, furniture hardware, motor mounts, bearing blocks, and repeated assembly projects. The brass inserts provide stronger, more durable threads than plastic alone and are compatible with common 3D printing materials such as PLA, ABS, Nylon, and similar thermoplastics. Features: 80W digital soldering iron heat set insert tool 520-piece brass insert assortment Heat set tips for M2, M2.5, M3, M4, M5, M6, and M8 LED temperature display for controlled heating Rapid heating design Anti-scald grip for safer handling Great for 3D printing, plastic parts, prototypes, and repairs Suitable for PLA, ABS, Nylon, and compatible thermoplastics Organized case keeps inserts and tips accessible