Feature:1. [3 Pcs Set] The kit includes 3 pcs 0.4mm nozzles, suitable for 1.75mm filament, providing a reliable replacement solution for your 3D printing needs.2. [Wide Material Compatibility] Compatible with a range of for FDM materials such as PLA, ABS, PETG, TPE, TPU, PC, PEEK, PEKK, PEL, PSU, PPSU, ensuring versatile printing possibilities.3. [Applicable Models] Specifically designed for Elegoo Neptune 4 and for Neptune 4Pro, not compatible with for Neptune Plus and for Neptune Maximum models.4. [Smoothly Interior] Featuring smoothly inner wall without burrs and low viscosity, these 3D printer nozzles offer smoother threading and reduced resistance, preventing clogs during printing.5. [Stainless Steel Construction] Crafted from premium stainless steel, these nozzles offer better thermal conductivity and increased hardness for improved printing performance and durability.Specification:Item Type: 0.4mm NozzleMaterial: Stainless SteelThread: M6Specification: 1.75mm 0.4mmSuitable Materials: Suitable for most for FDM materials such as PLA, ABS, PETG, TPE, TPU, PC, etc., as well as PEEK, PEKK etc. high temperature consumables, PEL, PSU, PPSU, etc.Applicable Models: for Elegoo Neptune 4, for Neptune 4Pro only (Not compatible with for Neptune Plus and for Neptune Maximum).Package List:3 x 0.4mm Nozzle