Features High-Hardness Alumina Compound: Resistant to and , ensuring long-lasting performance. Accurate Size Holes and Easy Installation: Provides stable shrinkage in high temperatures, ensuring reliable and . Compatible with Ender 3/3S/3Pro: Practical 3D printer accessories, enhancing printer functionality and performance. Portable and Convenient: Small size for easy storage and transportation, delivering reliable performance wherever needed. Complete DIY Tool Set: Empowers DIY enthusiasts with all the necessary tools for efficient and personalized . Features: 1、Alumina is a high？hardness compound that is not easily corroded in the air. 2、This product has accurate size holes, easy installation, stable shrinkage in high temperature performance. 3、This kit is suitable for Ender 3 / 3S / 3Pro 3D printer, very practical accessories. 4、Small size, easy to carry and store, convenient to use and with good performance. 5、Complete tools, you can operate it yourself, suitable for DIY enthusiasts. Specification: Item Type: Dual Z-Axis Lead Screw Upgrade Kit Material: Alumina black Model: For Ender-3 dual z-axis motor kit Applicable Models: for Ender 3 /Ender 3S/Ender 3pro The Packing List Includes: 1 set of double Z-axis screw upgrade kit Package List: 1 x Stepping Motor 1 x Line 1 x Coupling 4 x Wrench 13 x Screw 10 x Accessories 2 x Pole 5 x Components 2 x Small Washer Package List 1 x Stepping Motor 1 x Line 1 x Coupling 4 x Wrench 13 x Screw 10 x Accessories 2 x Pole 5 x Components 2 x Small Washer