Feature: 1. High Accuracy: This hotend extruder nozzle has a sleek burr free inner wall, coefficient of viscosity, and an extruder diameter error of less than 0.02 mm. Whether you are printing ordinary filament or more challenging materials such as carbon fiber and glass fiber, providing you with accurate and stable extrusion. 2. High Temperature Resistant: This high speed print head extruder nozzle is resistant to high temperatures up to 500℃, ensuring rapid heating and continuous printing of high temperature filaments. 3. Excellent Brass Material: This 3D printer high speed nozzle is made of excellent brass material, the combination of advanced heat treatment process and better anti oxidation prolongs the service life of the nozzle. 4. Multifunctional: This 3D printer extruder nozzle is versatile and can be used for the printing of PLA, ABS, PETG, TPE, TPU, PC, etc., as well as composite filaments containing abrasive additives such as carbon fiber, fiberglass, steel, wood, boron carbide, tungsten, and phosphorescent pigments. 5. Good Compatibility: This 3D printer brass hotend nozzle has good compatibility and is suitable for Ender 3 V3 SE, for Ender 5, for Ender 7, for Ender 5 S1, which can directly replace the old or damaged ones. Specification: Item Type: 3D Printer Extruder Nozzle Material: Brass Filament Diameter: Approx. 1.75mm / 0.069in Thread: M6 Maximum Printing Temperature: 500℃ Application: Suitable for Ender 3 V3 SE, for Ender 5, for Ender 7, for Ender 5 S1.. Package List: 3 x 3D Printer Extruder Nozzles