[DURABLE MATERIAL] --- The drill cleaning parts are made of high quality stainless steel material, good flexibility, not easy to break, longer service life, the use of new technology research and development, not easy to break through, durable and reliable. It comes with a handle, so you can easily twist it in during use [PREMIUM PERFORMANCE] --- The excellent quality of the micro cleaning bit will clean your printer nozzle very well, making the 3D printer print better and cleaner. Affordable and practical solution to blocked nozzles due to dried ABS/PLA filament [MULTI COMPATIBILITY] --- The 3D printer Matches all 3D print extruder nozzles offered from E3D hotend, MK8 or MK10 hot end Makerbot RepRap, etc. Compatible with most well known 3D Printers on the market, Such as Duplicator, MakerBot, RepRap and so on [WIDELY APPLICATION] --- MUXSAM needle drill bits uses advanced technology of fine machining to ensure the quality and service life of the product. It can be used to accurately measure the diameter of nozzle holes. The 3D printer cleaning needles also can use for cleaning other small parts, such as throat and feed gears etc. You can also use 0.5mm needle to clean holes in larger diameter