18 Inch length of Solid Brass seamless tubing. The outer layer has been hand polished to a fine Polished Brass finish. The outer diameter of this tubing is 5/8 inch with a wall thickness of approximately 0.022 inch. It is constructed from solid brass and hollowed for wiring. This tubing is from unlacquered brass and it will patina naturally over time. This piece is available in Polished Brass and Polished Chrome and it is available in several lengths. NOTE: This product does patina over time in the warehouse and will be shipped in various stages of patina which would steady out to a final color in several months.