1. These extruder nozzle drill cleaners are powerful tools that any 3D printer owner must have.
2. The drills are made of Tungsten steel hard and thin enough to get into the nozzle and extract the blocked filament.
3. There are 4 types of drills of 0.3mm 0.35mm 0.4mm and 0.5mm suitable for nozzles of 0.3mm to 0.5mm.
4. Please note that the color of the rubber band on the drill cleaner is random.
5. With these precision drill bits you will certainly extend the life of your nozzle keep producing better models.