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* 【Fully Upgraded Extruder】Rock 3pro adopts a newly upgraded print head, which combine the hot end and extruder integrated design, more scientific and efficient. The dual gear direct drive extruder is lighter than traditional extruder. Both the Teflon tube and the nozzle equipped with a fan, easy to dissipate heat.
* 【Babystep Precise Control】Built-in babystep control function, you can precisely control the layer distance through the babystep on the screen to achieve finer printing. The firmware have updated for easy and stable printing.
* 【Silent Motherboard with TMC2208】 Rock 3pro built-in 5 Group TMC2208 on the MINGDA self-developed motherboard, you will not hear annoying noises when printing.
* 【Upgraded Dual Z Axis】The dual lead screw rod of the Z axis adds a synchronous belt, so the screw rods are be turned synchronously and always keep at the same height. In addition, the Z-axis screw rod is equipped with an anti-backlash spring, which can eliminate axial backlash and improve printing accuracy.
* 【Belt Tensioner on X and Y Axis】Equipped with a belt tension adjuster on X and Y axis, you can easily adjust the belt tension to the appropriate position as you want. One year warranty and lifetime technical support.