6PCS 4040 Aluminum Extrusion Profile, 78.74 Inch 2000 mm, T Slot European Standard Anodized Linear Rail, High-Strength Extruded Aluminum Rail, for 3D

6PCS 4040 Aluminum Extrusion Profile, 78.74 Inch 2000 mm, T Slot European Standard Anodized Linear Rail, High-Strength Extruded Aluminum Rail, for 3D Printer Parts and CNC DIY Workbench, Silver Built to Last High Precision & Stability Start Building Strong Frame, All-in-One Solution Bring Your Ideas to Life Easy Installation Slot Type: T-Slot,Item Model Number: 4040T-200-6-Y,Quantity: 6 Pieces,Slot Compatibility: M8 T-Slot Nuts,Finish: Anodized,Main Material: 6063-T5 Aluminum Alloy,Profile Size: 4040,Center Hole Diameter: Ø 0.27 in / Ø 6.8 mm (Self-Tapping Screws Not Included)