Kingstorm 3D Printer Extruder Nozzle 0.2mm 0.3mm 0.4mm 0.5mm Nozzle Print Head Kit for MK8 1.75mm Printer Brand:Kingstorm Nozzle Size: 0.2mm 0.3mm 0.4mm 0.5mm Size: 10*16(mm), M6 Net weight: 5g/pcs Material: copper (brass)