Features: Elevates 3D printing experience for 4 Plus/4Max Hot End Kit, featuring all metal constructions for superior performances. This hot end kit comes with a Precisions crafted brass nozzle (0.4mm) and a silicone sleeve, ensuring consistent heating and smooth filament extrusion. for both hobbyists and professionals in 3D printing community, this kit to enhances the capabilities for 4 printer. Whether creating intricate prototypes or crafting unique art, this hot end kit provide the reliability and Precisions for 3D printing projects. for 4 Plus/4Max Hot End Kit not only improves print but also extends of 3D printer with heat resistant components. Specifications: Material: Metals ABS Nozzle: Brass Nozzle,Hard Steel Nozzle(optional) Note: Please allow 1-2cm errors due to manual measurement,make sure that you do not mind before you order. Due to the differences between different monitors, the picture may not reflect the actual color the item. Package includes: 1Set Extruder Hot End