Feature: 1. APPLICABLE MODELS: Dual Z axes lead screw module kit, suitable for CREALITY Ender 3, for Ender 3 Pro, for Ender 3 V2 3D printers, help improve printer accuracy. 2. SIMPLE OPERATION: The kit is simple in structure and easy to install, just plug in the middle power supply on the stepper motor wiring harness that comes with the kit. 3. EASY TO ADJUST: The timing belt tensioner is made of aluminum alloy, which is light in weight and wear resistant, and can easily adjust the belt tension. 4. OTHER ACCESSORIES: The double Z structure runs smoothly, uses the original T8 to lead out 2MM screws, and adopts the aluminum coupling and the original 42 stepper motor. 5. FOR 3D PRINTER: Excellent materials and meticulous workmanship make this upgrade kit a long lasting, which is common accessory for 3D printers. Specification: Item Type: 3D Printer Z Axes Kit Color: Black Product Material: Aluminum Alloy, Stainless Steel, ABS Screw: T8 Lead 2mm Screw Lead Screw Length: Approx. 365mm / 14.4in Adaptation: For CREALITY Ender 3, for Ender 3 Pro, for Ender 3 V2 3D Printer. Package List: 2 x Screw Bearing Guide2 x Power Bracket1 x Coupler1 x Z Axes Bracket1 x Stepper Cable1 x Z Axes Motor Bracket1 x Lead Screw1 x Motor15 x Nut Caps17 x Nuts3 x Solenoid3 x Hex Wrench1 x Wrench1 x Screwdriver1 x Screwdriver Adapter1 x User Manual