[Widely Compatible]Our 3D printer nozzles fit for 3D Printer such as Ender-3 series and CR-10, and compatible with all 1.75mm printing materials such as PLA/TPU/PETG.Fits perfectly to the original size.[High-precision and high-quality]: High-quality national standard brass is preferred, with precise teeth and no burrs. It is made with centering CNC precision automatic lathe and one-time molding technology to ensure that the input and output holes have a high degree of concentricity. The eruder nozzle can effectively prevent the print head from leaking and produce a smooth, bright and consistent printing effect.[Perfect and Durable]The brass nozzle has better thermal conductivity. It is recommended to print at standard temperature. Filaments like PLA, TPU are ideal choices. It not only reduces the resistance, avoids the clogging of the filament on the rounded chamfer, but also has a long service life and makes the filament smoother.[A lot f size]Our printer nozzle has 6 different sizes: 0.2mm * 2, 0.3mm * 2, 0.4mm * 12, 0.5mm * 2, 0.6mm * 2, 0.8mm * 2, 1mm * 2. Can meet your many printing needs.[Great Value]Full size MK8 nozzles, a set of 24, are marked on the outer surface, so you can easily determine the nozzle specifications.Each side of the nozzle is cut by a diamond knife, so its contact surface is flatter.