Excellent Cleaning Needles - The nozzle cleaning needles are very flexible and robust easy to bend the needle into nozzle and will not break. Perfect to handle tough extruder hot end nozzle clogs. Enough quantity - Come with 10 pack 0.4 mm needle drill bits in total enough for a long time using. Good performance - The drill bits will clear your printer nozzles very well and make it print better. Wide suitable - Compatible with most of 3D printers on the market such as Creality Ender 3/Ender 3 V2/Ender 3 Pro Duplicator MakerBot RepRap etc.
After Sales Support -There are more than 20 engineers for after-sales service and provide 24/7 customer service with 1-year limited and lifetime technical assistance. Please contact us via ask a questiondirectly to get the professional assistance.