Length: 500mm, 1000mm,2000mm, 3000mm. Width: 74mm. Height: 54mm. Materails: Aluminum 6063 + Pure Copper. SEND INQUIRY. You can make an inquiry about this product. Your e-mail will not be leaked. PRODUCT DETAIL. Magnetic Track Rail Recessed 48V Lighting System, Aluminum 6063 + Pure copper, 4 wires, high quality with reasonable price.