Features: Package contents: 10pcs 0.2-0.4mm stainless steel nozzle cleaning needles, 1 cleaning needle storage box, 2cleaning brushes, 2 tweezers, 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 brushes are suitable for cleaning different industries, such as steel parts-, machinery-, unfinished metal parts-, paint, 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 :0.2mm 0.25mm 0.3mm 0.35mm 0.4mm (2 Pcs Each) Quantity：15PCS Package Includes: 2PCS Copper- Brushes 10PCS Cleaning Needles 1PC Needle Box 2PCS Tweezers note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.