The 8mm double pulley, assembled with a set screw, is used on all Ultimaker 2 series and Ultimaker 3 series printers.
This is an official Ultimaker part for the following machines:
- Ultimaker 2+ Connect
- Ultimaker 3
- Ultimaker 3 Extended
- Ultimaker 2+
- Ultimaker 2 Extended+
- Ultimaker 2 Go
- Ultimaker 2
- Ultimaker 2 Extended
These machines use 1 double pulley each.