ITEM NAME:Upgrade Kit Springs Extruder Sock Tube Stepper Dampers Smoother For Crealit G2X7 Upgrade Kit Springs Extruder Sock Tube Stepper Dampers Smoother For Crealit G2X7 Details: A premium upgrade kit for your Creality Ender 3 Printer, 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 sock helps prevent heat readiating onto your print, keeping this heat away from your print allows for increased overhangs. Two brass 0.4mm nozzles for 1.75mm filament. 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. PTFE tube is ready for fitting to your printer with no cutting required both ends are perfectly cut. Two NEMA 17 Stepper dampers are included one for mounting on the X stepper motor and another for the Y stepper motor.(Please note some ender 3 models have push fit pulley wheels, it is easy to check which version you have.) The heatsink are used to cool the stepper motors and prevent overheating and missed steps. Color: picture color Material: metal + plastic Package contents: 1 * Extruder parts (does not include the motor, the default is right, you need left to note) 1 * PETG tube black 4 * Upgraded version spring 2 * Coffee color silicone sleeve 2 * Motor shock plate 2 * Degaussing device.1 Extruder parts (does not include the motor, the default is right, you need left to note). Two NEMA 17 Stepper dampers are included one for mounting on the X stepper motor and another for the Y stepper motor.