Feature: 1. Good Hot End: Constructed with aluminum, stainless steel, and brass materials for durability and reliability. 2. Wide Filament Compatibility: Compatible with PLA, ABS, PETG, TPU, and wood filament, offering versatile printing options. 3. Efficient Heating Block: The aluminum heating block with a maximum temperature of 300℃ ensures fast and consistent heating for optimal printing results. 4. Bi Metal Throat: The M6 x 27.5MM throat provides smooth filament feeding and reduces clogging, ensuring uninterrupted printing. 5. Perfect Match: Suits perfectly for Neptune 4, for Neptune 4 Pro, for Neptune 4 Max, for Neptune 4 Plus 3D FDM, very durable. Specification: Item Type: 3D Printer Hot End Product Material: Aluminum, Stainless Steel, Brass Nozzle: M6 x 18MM, with 0.4mm nozzle, used for 1.75mm filament. Applicable Filament Material: For 1.75mm PLA, ABS, PETG, TPU, wood. Heating Block Material: Aluminum Heating Block Size: Approx. 20 x 16 x 15mm / 0.79 x 0.63 x 0.59in, temperature resistant to 300℃. Nozzle Throat Material: Ti alloy and copper, bi metal. Nozzle Throat Size: M6 x 27.5mm / 1.08in (approx.), with 7mm / 0.28in (approx.) outer diameter. Heating Rod: 24V 50W, 67mm / 2.64in (approx.) total length, with XH2.54 terminal. Thermistor: NTC 100K, 100mm / 3.94in (approx.)cable length with terminal, with PH2.0 terminal. Working Temperature Range: -40~260℃. Package List: 1 x 3D Printer Hot End