Features: brand new and high quality 1 Upgrade for creative all-metal MK-8 extruder feeder drive 1.75 mm filament suitable for Ender 3, Ender 3 Pro, Ender 3V2, Ender 3 Max, Ender 5 Plus, Ender 5 Pro, CR-10 series. It makes it easier and smoother to load the filament without worrying about the filament being scratched or broken. 4pcs bed horizontal springs, hard and accurate bed leveling. The 2pcs silicone sleeve helps to maintain a more stable temperature, which will improve the print quality and consistency. The 2pcs motor shock absorber is used to reduce the noise and vibration of the stepper motor, and effectively reduce the vibration-keep the printer running smoothly and ensure the printer is quiet, especially the 42 stepper motor. The 2pcs stepper motor de-texturing device has five different step resolutions: full-step, half-step, quarter-step, eight-step and sixteen-step. Allows you to use a voltage above the rated voltage of the stepper motor to achieve a higher pace. Specifications: Item Type: MK8 Bowden Extruder Material: ABS + metal Color: Black, red, silver Package Includes: 1Set x MK8 Bowden Extruder note: No retail package. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.