Specification Brand : uxcell BulletPoint1 : Size: 8mm diameter and 331mm length motion guide shaft rod. BulletPoint2 : Material: Material: Made of C45 carbon steel, chromium plating surface, durable and corrosion-resistant. BulletPoint3 : High Precision: The straightness is below 0.1/1000mm, and the hardness can reach 58-64 HRC. BulletPoint4 : Smooth and Precise Linear Movement: Linear motion rods are commonly used in industries such as automation, robotics, machine tools, and 3D printing. They serve as support structures for linear bearings, allowing them to move smoothly and accurately. BulletPoint5 : Application: Use with linear support blocks and enclosed sliders. Suitable for 3D printers, CNC machines, robots, automated machinery, molding machines, engraving machines, etc. Color : #611 IncludedComponents : No ItemForm : Rod ItemName : uxcell 2 Pcs Linear Motion Rod Shaft Guide 8mm x 331mm (0.315" x 13") Case Hardened Steel Chrome Plated, Metric Linear Rail Rod for 3D Printer, CNC Machine ItemPackageDimensions_Height : 33.79 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 9.4 centimeters ItemShape : Cylindrical ItemTypeKeyword : linear-motion-guides Manufacturer : uxcell Material : Carbon Steel ModelName : Greensenbwcdrnt281-11 ModelNumber : Greensenbwcdrnt281-11 MountingType : Side Mount NumberOfItems : 1 PartNumber : f24012900ux0454 ProductDescription : Material: Made of C45 carbon steel, chromium plating surface, durable and corrosion-resistant. High Precision: The straightness is below 0.1/1000mm, and the hardness can reach 58-64 HRC. Smooth and Precise Linear Motion: Linear motion rods are commonly used in industries such as automation, robotics, machine tools, and 3D printing. They serve as support structures for linear bearings, allowing them to move smoothly and accurately Application: Use with linear support blocks and enclosed sliders. Suitable for 3D printers, CNC machines, robots, automated machinery, molding machines, engraving machines, etc.