2040 T-Slot Aluminum Extrusion Linear Rail. This linear rail is designed to align with European standards and is constructed from durable 6063-T5 aluminum alloy, offering robust strength and stability. Its anodized surface finish enhances resistance to corrosion, ensuring long-lasting performance in different environments while preserving the aesthetic of your equipment. The side grooves are compatible with M4, M5, M6, T-slot nuts, and pulleys, enabling quick and efficient assembly to reduce time and costs. Perfect for professional uses such as 3D printers, display stands, and furniture, this rail provides a versatile solution for creating custom frames, workstations, and prototypes.