1、HIGH CARBON STEEL: The linear guide rail is made of high carbon steel, which has good wear resistance, strong bending resistance, and not easy to deform or twist. 2、UNIFORM LOAD: Using a 4 point contact design, can uniformly withstand loads in all directions, and has self aligning function to ensure high accuracy. 3、GOOD PERFORMANCE: The linear motion rail has the advantages of high rigidity, high rotational speed, low friction, ultra silence, good stability, and no jamming. 4、STABLE SLIDING: The internal ball distribution is reasonable and the gap is uniform, ensuring that the linear guide rail can stably slide, and not easy to get hot. 5、WIDE APPLICATION: Widely used in industrial fields such as machine tools, engineering machinery, robots, metallurgy, speed reducers, aerospace, etc. 1 x Linear Rail Item Type: Linear Guide RailModel: HGH20Material: High Carbon SteelSize: Approx. 200mm / 7.9inUse: Widely used in various industrial fields such as machine tools, construction machinery, robots, speed reducers, steel, metallurgy, textiles, mining, printing, aerospace, and so on