This Vevor 2020 T-slot aluminum extrusion profile set includes 10 anodized linear rails designed for smooth, precise performance in DIY and industrial builds. Made from durable 6063-T5 aluminum alloy, the rails offer corrosion resistance, straightness, and easy integration with compatible T-slot hardware. The system is well suited for 3D printers, CNC machine projects, laser engraving setups, automation equipment, workbenches, and furniture builds. Its lightweight construction and customizable groove design make assembly flexible and efficient.