ITEM NAME:0.4Mm 1.75Mm Filament Two Into Two Out Extruder Kit Heating Block Nozzle Fa F5T7 0.4Mm 1.75Mm Filament Two Into Two Out Extruder Kit Heating Block Nozzle Fa F5T7 1.100% Brand new 2.Dual hotend V1 with 0.4 mm nozzle,great for 3D printer. 3.to ensure heat dissipation and prevent overheating of the filament block introduced in the Hotend. 4.Two inputs and only one output to ensure dual pressure. 5.With high quality and durable performance.Easy and convenient to use. Nozzle temperature: 180 Celsius-260 Celsius Suitable: 0.4mm 1.75mm Filament Heating Tube Voltage: 12V 40W 3010 Cooling Fan: 5V DC For: 110v/220v 3D Printer colour:Photo Color Material:metal Package Contents: 1* cooling fan 2* 100K thermistor 2* 12V 40W heating tube 2* V6 aluminum block + 1.75 mm nozzle throat + M6 nozzle 0.4 mm 1* 2 in 1 out straight throat extrusion head kit 1*1.5mm/2.0mm wrench