Premium Material: The nozzles are made of high quality brass, durable, corrosion resistant, high temperature resistant, anti-oxidation, no burrs and clean surface. Versatile and easy to install Brass Nozzle Kit: You will receive 10 pieces brass nozzles with dimensions marked on the outer surface, 5 pieces 0.4mm nozzles and 5 pieces 0.6mm nozzles. Quantity: sufficient for use and replacement. Strict craftsmanship: The nozzle follows strict standards and prolongs the service life. The inner wall has an arc structure and reduces pressure, low viscosity coefficient, smoother tapping. Can quickly flatten the filament, which improves the stability of the entire nozzle and the printing quality Thermal conductivity: Our brass nozzles have excellent thermal conductivity thermal and are therefore ideal for processing materials such as ABS, PETG and PLA Widely Compatible: Our nozzles are compatible with various 3D printers, Anycubic Kobra Max, Vyper, Artillery Sidewinder X1 X2 and other printers. Also suitable for most FDM printing materials such as PLA, ABS, PETG, TPE, TPU, PC, etc.