Feature: 1. [Applicable Models] Enhanced 3D printer upgrade parts for Ender3, for Ender3 Pro, for Ender3 for V2. Longer lifespan and high printing speed, resulting in improved print accuracy. 2. [Easy Modular Design] No firmware or wiring modifications required. This dual lead screw kit is designed for easy upgrades, allowing you to start printing immediately without hassle. 3. [Long Lifespan] Made of high carbon chrome steel, this kit offers exceptional wear resistance, smoothly motion, low noise, even force distribution, ensuring durability. 4. [High Speed Printing] With this dual Z axes kit, you can achieve faster print speeds without sacrificing print accuracy, allowing you to complete projects in less time. 5. [Enhanced Print Quality] The upgraded dual lead screw motor kit ensures smoother and more stable printing, improving overall print quality. Specification: Item Type: 3D Printer Z Axes Kit Material: High Carbon Chrome Steel Suitable 3D Printer Models: for Ender3, for Ender3 Pro, for Ender3 for V2. Package List: 1 x Motor 1 x Belt 4 x Wrench 6 x Metal Bracket 2 x Accessories 1 x Wire 2 x Knob 1 x Metal Rod 6 Pack x Accessories 1 x User Manual