Libra is from Barcelona-based lighting manufacturer Metalarte, and offered in the U.S. as part of the Hinson Lighting Collection. The balanced design enables the lamp to tilt up and down and side to side. It also adjusts in height from 42 to 60 inches, and the arm extension reaches 39 inches. The base diameter is 11 1/4 inches. The shade, available in black or white, has a diameter of 10 1/2 inches. The available finishes include matte nickel or polished brass. For use with a 100W incandescent bulb.