Specification Brand : Hilitand BulletPoint1 : Linear rail support: Smooth moving, low friction, high rigidity and long working life. BulletPoint2 : Material: High carbon steel + aluminum alloy; Slide rail width: 45mm/1.77in; Rated dynamic load: 860; Fixing bolt size: 8mm; Allowable static moment: 1kN.m. BulletPoint3 : Suitable: This linear slide rail are widely used for kinds of electronic equipment / bar, drive shaft, pillar. BulletPoint4 : High quality: Smooth moving, low friction, high rigidity and long working life and they are good abrasion resistance, not easy to rust, high precision and good strength. BulletPoint5 : Strong interchangeability: Standardized processing aluminum alloy sliding block, widely used for machine tools, like 3D printing. FinishType : Finish IncludedComponents : inc ItemName : Hilitand Linear Shaft Combination 2pcs SBR20-1000mm Linear Slide Rail Shaft and 4pcs SBR20UU Baring Slide Block ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 104 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : slide-rails Manufacturer : Hilitand Material : Material PartNumber : Hilitandrc98yasxi1 PowerSourceType : PowerSource ProductDescription : Features: 1. Chrome plating linear shaft, high hardness, lasting to use. 2. Standardized processing aluminum alloy sliding block, with strong interchangeability. 3. Built-in high linear bearings allows the slide block to move smoothly with little resistance. 4. Oxidation surface treatment makes the sliding block beautiful, rustproof and more . 5. The linear slide rail has pre-drilled holes for easy mounting.