Specification Brand : Othmro BulletPoint1 : 8mm Diameter 495mm 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 Color : T8 ExternallyAssignedProductIdentifier : 8414797692096 ExternallyAssignedProductIdentifier1 : 0887499209011 ExternallyAssignedProductIdentifier2 : 0889058899749 ExternallyAssignedProductIdentifier3 : 887499209011 ExternallyAssignedProductIdentifier4 : 889058899749 ItemName : Othmro 8mm x 495mm Hardened Rod Chrome Plated Linear Motion Shaft/Guide 1pcs ItemPackageDimensions_Height : 51.054 centimeters ItemPackageDimensions_Length : 6.096 centimeters ItemPackageDimensions_Width : 10.16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : Othmro Material : Steel Material1 : Aluminum Material2 : Steel ModelNumber : OTH191102Z-0082 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : OTH191102Z-0082 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.