Aibecy 2 in 1 Out Dual Color Metal Hotend Extruder Kit with Cable 0.4mm Brass Nozzle Print Heat 24V for CR-10 Series Ender-3Description:Dual color metal hotend extruder kit for CR-10 series Ender-3 3D Printer.0.4mm nozzle; 1.75 filament size; aluminum heating block; heater wire 12V/24V for option.Can access two lines of filament, switch between two input when printing, and extrude through one hot end.Color switching is fast and stable, and print quality has no obvious defects.The heating block and the heat sink are connected and fixed by two screws, making the print head more stable.Specifications:Colour: BlackHeat Sink Material: Aluminum AlloyHeater Material:Aluminum AlloyNozzle Material: BrassPneumatic Connector Material: Stainless SteelVoltage: 24VWire Length: Approx. 1400mmBody Size: 80mm x 25mm x 22mmWhat’s in the box?1 x Hotend Extruder Kit