Mophorn SBR Linear Guide Rail High Precision, Low Noise, Durable and Wear-Resistant Design The Mophorn SBR Linear Guide Rail system is engineered for smooth, precise motion in a variety of applications. This set includes 2 high-quality aluminum guide rails and 4 SBR slide blocks, each featuring ball bearings that allow for low-friction, quiet operation. The guide rails are designed with carefully measured hole diameters and distances, ensuring high accuracy and durability. Available in multiple specifications, this system is adaptable to a wide range of needs, offering reliable performance and extended service life for your machinery. SBR Linear Guide Rail System Robust and Long-Lasting construction Quiet Operation Precision Engineering Key Features Smooth & Quiet Movement: Crafted with aluminum slide blocks and carbon steel shafts, this guide rail ensures low-noise operation. Built-in ball bearings reduce friction, enabling smooth, effortless movement without tilting, for precise