Specification Brand : Othmro BulletPoint1 : 8mm Diameter 500mm long Linear Motion Shaft BulletPoint2 : Case hardened for wear resistance BulletPoint3 : Chrome plated for corrosion resistance BulletPoint4 : Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it BulletPoint5 : Round steel shaft for use with linear support blocks and closed type slide units in linear motion applications ExternallyAssignedProductIdentifier1 : 0880127843656 ExternallyAssignedProductIdentifier2 : 0886399744202 ExternallyAssignedProductIdentifier3 : 880127843656 ExternallyAssignedProductIdentifier4 : 886399744202 ItemName : Othmro 8mm x 500mm Hardened Rod Chrome Plated Linear Motion Shaft/Guide 1pcs ItemPackageDimensions_Height : 52.197 centimeters ItemPackageDimensions_Length : 4.5974 centimeters ItemPackageDimensions_Width : 6.4008 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : Othmro Material : Steel NumberOfItems : 1 PartNumber : OTH191102Z-0095 ProductDescription : The material is chrome plated carbon steel, which is very suitable for linear motion rod. The surface has been chrome plated to enhance the hardness. Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.