Introduction This kit is designed and developed by the HS team We named it Black Knight Upgrade Kit This upgrade package is temporarily compatible with Ender3 Ender3 V2 Ender3 Pro For better compatibility a small number of accessories are different due to different machine models Please choose the correct machine you need to upgrade More models will be compatible in the future please pay attention to our black Knight series upgrade package More than 90 percent of the parts are processed by CNC which can better improve the compatibility with the machine and is not easy to bend The machine installed with this upgrade package has been tested for a long time and it has been greatly improved in terms of stability and printing accuracy and can carry out printing work for a long time This is the best upgrade package you can find for Ender3 v2 and Ender3 Pro This upgrade package provides a reserved interface for upgrading Double Z If you still need Double Z upgrade please pay attention to us and we will put it on the shelves soon For installation problems the package you receive will include paper installation instructions We will also provide installation reference videos If you have any other questions please contact us and we will reply to your questions in time YouTube https www youtube com watch v bAHcoByVtxcPackage Included