10 Pieces nozzles: the input diameter of 3D printer nozzle is 1.75 mm, output diameter is 0.4 mm, and the hexagon diameter is 6 mm;printerTweezers: 3D printing tweezers are good for nozzle maintenance and cleaning excess support material; It is anti-static, non-magnetic curved precision tweezersNeedles: 10 pieces of 0.35mm diameter flexible stainless steel needles which is good for gentle maintenance of your nozzles and hard-to-reach places like the feed gearsFeatures: the 3D printer nozzle and cleaning kit is a long-lasting kit for several purposes; Remove excess plastic and clear jams with high precision, also good for general maintenance of the heat sink section3D printer nozzlesColor: MulticolorDelivery Quantity: 21 pieces/setWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.