Specification Brand : Happybuy BulletPoint1 : BUILT TO LAST: Constructed from high-quality 6063-T5 aluminum alloy, this linear rail boasts an anodized finish for enhanced corrosion resistance. It's built to withstand harsh environments, whether dry or humid, ensuring long-term durability. BulletPoint2 : VERSATILE APPLICATION: Ideal for a range of projects, these linear rails are perfect for DIY builds like 3D printers, automation systems, workbenches, and furniture. Their flexibility eliminates the need for welding, allowing for easy adaptation to various setups. BulletPoint3 : SMOOTH AND PRECISE: Precision-engineered for a smooth, burr-free finish, these rails reduce friction, providing reliable performance. This design contributes to better efficiency and reduces maintenance costs, making your operation more reliable. BulletPoint4 : EASY TO CUSTOMIZE: Featuring a side groove design, these rails are compatible with M4, M5, M6, and T-slot nuts, as well as pulleys. This makes assembly simple and quick, perfect for DIY enthusiasts. (Please note: nuts and bolts are not included in the packaging.) BulletPoint5 : 2040 T LINEAR RAIL – EUROPEAN STANDARD: The kit includes four aluminum alloy rails, each measuring 39.4 inches (1000 mm). With everything you need for easy setup, this set is designed to streamline your project and get you started right away. BulletPoint6 : 3. since the friction mode of the linear guide is rolling friction, it is not easy to slip and can achieve positioning accuracy Color : One Color ExternallyAssignedProductIdentifier : 8305560845408 IncludedComponents : 1 x User Manual ItemName : Happybuy 4PCS 39.4 in (1000mm) T - Slot 2040 Aluminum Extrusion Profile. European Standard Anodized Linear Rail, High - Strength Extruded Aluminum for DIY 3D Printers, CNC Machines Black ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 15 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : Happybuy Material : Metal ModelName : Power Tool Parts & Accessories ModelNumber : LJQDD NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 2040 Aluminum Extrusion Profile 39.4inch PowerSourceType : ac_dc ProductDescription : Material: 6063 - T5 Aluminum Alloy Surface Treatment: Anodized Product Dimensions: 39.37 x 0.79 x 1.57 in / 1000 x 20 x 40 mm Net Weight: 6.94 lbs / 3.15 kg (Includes 4 pieces) Item Model Number: 2040 - 100 - 4 Number of Pieces: 4 Center Hole Size: Φ0.16 in / Φ4.2 mm Compatible T - Slot Nut Sizes: M4, M5, M6 ProductSiteLaunchDate : 2025-04-30T07:33:12.397Z Size : 800mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 24102000