1. Material: aluminum, stainless steel and brass
2. Installation type: external thread connection
3. Nozzle size: 0.4mm
4. Length of throat: 30mm
5. Filament: 1.75 mm
6. The white wire is the temperature thermistor, the red wire is the heating tube 24V 40W
7. Nozzle tip, aluminum heating block, throat (built-in Teflon)
8. Aluminum block size: 20x20x10mm