Genuine Creality 3D® Parts with GENUINE Creality 42-34. Some third party upgrade kits are including non-Creality stepper motors.
You can never go wrong if always purchase genuine parts despite whatever savings they seem to offer. Packaged in Creality original packaging within padded foam cradle direct from Creality in Shenzhen.
Increased Accuracy Compared with original design, the dual Z-axis upgrade reduces the layer ripple caused by Z-axis vibration.
The threaded rod is 515mm in length. The 42-34 steoper motor is a genuine Creality 42-34 unlike many third party upgrade kits.