Features: brand new and high quality Package contents: 10 0.15-0.5mm stainless steel nozzle cleaning needles, 1 cleaning needle storage box, 2cleaning brushes, 2 tweezers, 2 nozzle wrenches Compatibility: These 3D printer nozzle cleaning accessories are for most 3D printer nozzles, for MK8, MK10, etc. High-quality materials: These 3D printer nozzle cleaning needles are made of stainless steel, these wire brushes are made of copper wire, durable and flexible, not easy to break and rust, easy to store, and can provide you with long-term service. Practical tools: These stainless steel nozzle cleaning needles are suitable for gentle maintenance of nozzles and hard-to-reach places. . These copper wire toothbrushes are suitable for cleaning different industries, such as steel parts, machinery, unfinished metal parts, paint stains, etc., without damaging the surface; Two types of tweezers are provided, including straight and curved, which are very suitable for nozzle maintenance and cleaning excess support materials. Specifications: Material: ABS+Metal Size:Mixed (Pls See Pictures) Filament: for 1.75mm Fialment Printers Nozzle Diameter :0.15mm 0.25mm 0.35mm 0.4mm 0.5mm(2 Pcs Each) Note: When cleaning the nozzle, heat the nozzle to 190C. The copper wire toothbrush may be deformed during transportation, but it does not affect the use. This is a convenient tool. Package includes: 10 x Stainless Steel Nozzle Cleaning Needles 1 x Cleaning Needle Storage Box 2 x Cleaning Brushes 2 x Tweezers 2 x Nozzle Wrench