A set of 50 pieces of brass threads (so-called inserts), designed to be placed in finished 3D prints. It makes it possible to create easy and durable connections of finished prints without troublesome threading. Assembly is done by heating, for example, with a soldering iron tip, and then pressing the thread into the model. ORIGINAL CNC Kitchen threaded inserts for 3D printed parts (PLA, PETG, ABS, etc.), PRECISELY CNC MACHINING and high quality brass alloy without lead and cadmium content, EASY ASSEMBLY using a soldering iron. The arrowhead temperature is the printing temperature of the respective filament +10 °C