10PCS 39.4in (1000mm) T Slot 2020 Aluminum Extrusion Anodized Linear Rail

2020 T Slot Extrusion Linear Rail. Built to Last: The anodized linear rail is made from durable 6063-T5 aluminum alloy with an anodized finish for excellent corrosion resistance. Versatile for Any Project: Lightweight and flexible, these linear rails can be used in a variety of projects without the need for welding.