Flexi Extruder Nozzle Cleaning Drill-0.4mm 
Material: Tungsten steel 
Needle Size: 0.4mm 
Total Length: 75mm 
Package Included: 2* 0.4mm Flexi Nozzle Cleaning Drill 

Product Description: 
It is used to clean blocked nozzle of 3D printers. As blocks might happen during the printing, you will find it so easy to get access to the inner of the extruder nozzle with this cleaning drill. It is made of Tungsten steel, hard and thin enough to get into the nozzle and extract the blocked filament. It could effectively extend the life of the nozzle. 

How to Use: 
Heat up the nozzle before cleaning. Then carefully insert the nozzle cleaning drill. Gently rotate the nozzle drill will push out any particles that clogged the nozzle.