1. Enhance your 3D printing experience with our Aluminum Z-Axis Leadscrew Top Mount, specifically designed for Ender3/CR10 models. 2. This premium upgrade replaces the standard Z-axis mount with a robust aluminum structure, ensuring greater stability and precision in your prints. 3. Made from high-quality aluminum for increased durability and . 4. Easy to install with no additional tools required. 5. Improves the performance and accuracy of your 3D printer.making it a versatile addition to your 3D printing hardware. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:aluminum Package Contents: 1 set * Z-axis screw bearing fixing seat kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.