Features: The Tungsten Carbide Nozzle is super wear-resistant, ensuring long-term printing without any weariness of nozzle hole and tip flat. Compose of tungsten carbide, this nozzle has excellent conductivity and temperature resistance, with a printing temperature up to 550℃. Designed for 3D printing enthusiasts, this nozzle is perfect for those who demand quality print with faster speed and low pushing force. Perfect for 3D Printing Enthusiasts. It is easy to install Specifications: Material:Tungsten CarbideMaterial:Tungsten Carbide Applicable model: for 3/Cr10 3D printer Color:Black Filaments Diameter:1.75mm Nozzle Diameter:0.4mm,0.6mm,0.8mm (Optional) Thermal Conductivity: 130Wmk Hardness: 9.0Mohs PrintingTemperature:up to 550℃ Coefficient of Thermal Expansion:4.5 μm Package Includes: 1x Nozzle note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.