Compatibility Notice: Specifically designed for Neptune 4 Plus and Neptune 4 Max 3D FDM printers, this hotend kit ensures seamless functionality and enhances your printing experience with reliable performance. Comprehensive Package: The kit includes 1 complete hot end assembly, 1 hardened nozzle for printing, 1 brass nozzle for high thermal conductivity, and 1 silicone cover to protect against heat, providing a full suite of upgrades for your 3D printer. Easy Installation: Featuring a plug-and-play design, this hotend kit can be easily installed by removing the old sprite extruder and replacing it with the new one. Pre-installed 3D accessories make this process straightforward and hassle-free. Versatile Filament Compatibility: Engineered to work flawlessly with 1.75 mm PLA, ABS, PETG, TPU, and Wood filaments, this print head allows for a wide range of printing materials, making it ideal for various printing projects and needs. Enhanced Heat Management: The hotend features a seamless connection between the nozzle and heat break, which accelerates heat dissipation from the nozzle and improves insulation at the heat break, effectively reducing the risk of nozzle blockage and ensuring consistent printing quality. Color: As shown Material: Metal Package Contents: 1 x Print Head Extruder Hot End Kit, 1 x Hardened Nozzle, 1 x Brass Nozzle, 1 x Silicone Cover Note: Only the items listed above are included. Other products are not included. Note: Light reflection and different display settings may cause slight color variations between the item and the images. A measurement error of +/- 1-3 cm is acceptable due to manual measurement.