This pack contains the .4mm brass Olsson nozzle, TFM coupler, Isolator Nut, Isolator Spacer, Glassfiber Temperature Sensor, and Olsson block with washer and pozidrive screw. All parts are official Ultimaker spare parts, except for the Olsson block.
When replacing these parts, you may also need the 35W heater.
Note: This is not compatible with the (non-Plus) Ultimaker 2, Ultimaker 2 Extended, Ultimaker Original/+, Ultimaker 2Go, or Ultimaker 2+ Connect printers.