3D Printer jarak jauh J - kepala Hotend untuk 1.75 mm / 3.0 mm filamen， E3D Bowden Extruder 0.3 mm / 0.4 mm kuningan Nozzle

NOTE: Please tell us which filament you want，1.75mm or 3.0mm and tell us what size the nozzle you want，0.2mm 0.3mm 0.4mm，3 siezs，or we will send random size(0.4mm/1.75mm))