A premium upgrade kit for Creality Ender 3 Printer, and this kit can improve the performance and reliability of your printer.
The aluminum extruder upgrade allows for more reliable filament feeding.
The two high temperature silicone socks help protect your print from heat, thus allows for increasing overhangs.
The four flat ended compression bed springs improve the rigidly and stability of the print bed.
The lead screw coupler improves the performance and reliability of your printer Z axis.