Specification Brand : Hilitand BulletPoint1 : ¡¾FUNCTION¡¿ This guide rod is for linear motion, automatic machinery, injection molding machine, etc. BulletPoint2 : ¡¾UPGRADE MATERIAL¡¿ Hardened for long term durability and stainless steel to resist rust. BulletPoint3 : ¡¾WIDELY USED¡¿ The applications are extensive, especially in bearing purpose. BulletPoint4 : ¡¾EXQUISITE SURFACE TREATMENT¡¿ The surface of linear motion rod shaft guide is quite smooth, resistant to rust and corrosion. Round steel shaft for use with linear support blocks and closed type slide units in linear motion applications. BulletPoint5 : ¡¾FEATURE¡¿ Linear rail rod shaft is suitable for high speed, low noise and high precision equipment. ExternallyAssignedProductIdentifier1 : 798382328064 ExternallyAssignedProductIdentifier2 : 0798382328064 ItemName : Linear Motion Rod Shaft Guide Stainless Steel Linear Rail Shaft for 3D Printer DIY CNC 8mm x 500mm Hardened 3D Printer Accessory ItemPackageDimensions_Height : 52.832 centimeters ItemPackageDimensions_Length : 4.572 centimeters ItemPackageDimensions_Width : 7.112 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : Hilitand Material : Stainless Steel MeasurementSystem : English NumberOfItems : 1 PartNumber : Hilitandi3zgpnst7u ProductDescription : Specifications: Material: 304 stainless steel Length: 500mm/19.6in Diameter: 8mm/0.3in Quantity: 1pc Weight: 228g(approx.)