Sovol Nozzle Cleaning Kit includes 3 materials brushes, 2 kinds of tweezers and different sizes cleaning needles perfect for removing debris and residue from your 3D printer's nozzles and hard-to-reach areas. You can clean the nozzle with 2 large size needles (with circled handle) without disassemble the whole hotend needed, that would save you a lot of time. The 10 different sizes nozzles cleaner PCB drill bits allow you easily clean every part of Your printer.