VEVOR 10PCS 59 in (1500 mm) T Slot 2020 Aluminum Extrusion Profile, European Standard Anodized Linear Rail, High-Strength Extruded Aluminum Rail for 3D Printer, CNC Machine DIY, Laser Engraving, Black Modular Design Excellent Corrosion Resistance Enhanced Stability High Compatibility Easy Installation & Connection Reduced Wear & Tear Number of Pieces: 10,Item Model Number: 2020-150-10,Surface Treatment: Anodized,Material: 6063-T5 Aluminum Alloy,Compatible T-Slot Nut Sizes: M4, M5, M6,Product Dimensions: 59.06 x 0.79 x 0.79 in / 1500 x 20 x 20 mm,Center Hole Size: Φ0.19 in / Φ5 mm,Net Weight: 14.77 lbs / 6.7 kg (Includes 10 pieces)