Features:Lengthened, apply with new technology, not easy to , bendable, new products promotion Anti-Static, Non-Magnetic Curved Precision Tweezers; 3D printing tweezers great for nozzle maintenance and cleaning excess support material , safe and container; All of the items come in a plastic tube with a screw lid to keep safely Long-lasting kit for purposes; Remove excess plastic and clear jams with high precision, also great for general maintenance of the heatsink section. This Drill bit is for cleaning of the nozzle, use it, first make your nozzle is heated to the temperature of printing the filament you used, for example, if you were use ABS filament, heat the nozzle to 200-220 Celsius, is about 180-200 Celsius Colour:black+white Material:Metal Package Contents: 2 * 0.15mm (cleaning needles) 2 * 0.2mm (cleaning needle) 2 * 0.25mm (cleaning needles) 10 * 0.35mm (cleaning needle) 10 * 0.4mm (cleaning needle) 1 * Cleaning Needle Storage Tube 1 * straight mouth tweezers 1 * curved tweezers 1 * Copper Brush Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.