Install threaded inserts cleanly and securely into 3D-printed and plastic parts with this complete 750-piece heat-set threaded insert kit . The set includes a 60W digital soldering iron, five insert-tip sizes, threaded inserts, bolts, nuts, washers, connecting rods, a holder, and tweezers. Complete 750-Piece Set 1 × 60W digital soldering iron 5 × Heat-set insert tips: M2, M3, M4, M5, M6 5 × Soldering-tip connecting rods 192 × Threaded inserts 194 × Bolts 182 × Nuts 182 × Washers 1 × Soldering iron holder 1 × Tweezers Key Features Easy Heat-Set Insert Installation The specialized insert tips help embed threaded inserts cleanly into plastic, creating durable, reusable threads for assembly and repair. Five Popular Metric Sizes Includes M2, M3, M4, M5, and M6 insert tips for use with a wide range of 3D-printing and plastic-part projects. 60W Digital Soldering Iron The soldering iron has an adjustable temperature range of: 200–500°C 392–932°F Rated power: 60W Press and hold the power key to turn on the unit. Press the key three times in succession to switch between Celsius and Fahrenheit. Quick-Change Tip Design The split design allows the insert tips to be changed without removing the soldering iron sleeve. Simply unscrew the installed tip and attach the required size. Designed for 3D-Printed Parts The tools are specifically designed for installing threaded inserts into 3D-printed components, helping simplify post-print assembly, repair, and modification. Reduced Risk of Surface Damage The insert-tip design helps reduce the chance of damaging the area surrounding the threaded insert during installation. Suitable for All Skill Levels A useful set for DIY users, makers, hobbyists, professionals, and beginners. Applications 3D-printer parts Plastic components Post-print assembly Repairs and modifications DIY projects Prototype construction