Free Shipping. Shown in Brushed Nickel Finish. Create drama and light throughout your space with this versatile, energy efficient Design Pro LED 4 light rail light in Brushed Nickel with thick polished faceted glass with interior etch. This high-tech light accommodate installation on the wall or ceiling and is fully dimmable with most standard electric low-voltage dimmer switches. 42. in. length. Width 4. in. Height 9 in.