| Controller Case | Add the Controller Case if upgrading the WorkBee to use the Duet Controller. | |
| X-Axis Limit Switch | Add the X-Axis Limit Switch if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| Y-Axis Limit Switch | Add the Y-Axis Limit Switch if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| Z-Axis Limit Switch | Add the Z-Axis Limit Switch if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| X-Axis Motor Wire | Add the X-Axis Motor Wire if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| Y-Axis Left Motor Wire | Add the Y-Axis Left Motor Wire if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| Y-Axis Right Motor Wire | Add the Y-Axis Right Motor Wire if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |
| Z-Axis Motor Wire | Add the Z-Axis Motor Wire if upgrading the WorkBee to use the Duet Controller. Wires from older controllers are not compatible. | |