General description The A1 Mini Nozzle Assembly Hotend Kit features a magnetic block that allows for quick and accurate nozzle installation, making disassembly and installation easy and convenient. It is designed for high precision printing, with the 0.4mm nozzle being the standard size for modern 3D printers, effectively balancing printing quality and speed. Technical specifications Nozzle diameter: 0.4mm Material: Hardened steel Color: Black Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with PLA and PETG consumables Recommended to use a 0.6mm hardened steel nozzle for printing consumables containing carbon or glass fibers Usage Do not use the 0.2mm nozzle for consumables containing carbon fiber, glass fiber, metal, or other inorganic particles to avoid blockage. The 0.2mm nozzle provides smaller layer spaces and high-resolution vertical printing. The 0.4mm hardened steel nozzle is suitable for general use and offers good printing quality. Other