Description: Name: Upgraded Version Hot End Extruder Hotend Kit. Applicable for 1.75mm Filament CR-10 3D Printer. Extrusion head adopts TC4 titanium alloy pipe. Upgraded extrusion head for CR-10, heating is super fast, more practical. Fine workmanship and stable structure. Overall Length: 65mm/2.56inch Nozzle Diameter: 0.4mm/0.02inch Package Includes: 1 Piece Extruders Hotend Kit Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you