1. High Precision: Our 4pcs SBR10UU carriage block bearings are designed for optimal performance, ensuring smooth and precise movement along the SBR10 linear support rail in your CNC router. 2. Durable Construction: Made from high-quality materials, these carriage block bearings provide exceptional durability and longevity, making them ideal for heavy-duty applications in CNC routing. 3. Easy Installation: The 4pcs SBR10UU carriage block bearings are user-friendly and easy to install, allowing you to quickly enhance the functionality of your SBR10 linear support rail setup. 4. Versatile Compatibility: Designed specifically for SBR10 linear support rails, these carriage block bearings are perfect for various CNC router projects, providing reliable support and stability. 5. Cost-Effective Solution: With 4pcs included in each set, our SBR10UU carriage block bearings offer a cost-effective solution for upgrading your CNC router's performance without breaking the bank. Colour:As Shown Material:Metal Package Contents: 4 * SBR10UU carriage block bearings 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.