This is the Grid 2/2+ ‘s Nozzle Module, here is the parts included:

1.  Bronze Nozzle 0.4mm   20 usd
2.  Peek part connect to Aluminum block mount 20 Usd
3.  Aluminum block mount 9 usd
4.  Heater of 12V with 1.4m wire 6 usd
5.  Thermistor  with 1.4m wire 6 usd