Dual Head Extruder V6 E3D Hot End Extruder With Wire For 3D PrinterSpecification:Material: Aluminium alloyModel: E3DNozzle diameter: 0.4mmFeed inlet diameter: 1.75 diameter inletFeatures:2 in、 2 out、 dual extrusion systemIt's a neat and simple way in which to add conventional dual extrusion to your machine in a simple、 air cooled package.Nozzles can be individually adjusted in height for an easy setup experience.Each nozzle is individually temperature controllable for ultimate material versatility. Includes a tiny 30x28mm footprint and easy mounting.We use the copper material fittings、 so that the connector can take higher temperature.Package includes:1 x Dual head extruder with nozzle