This Bright Solid Brass Ball 2" Cap will finish off your Brass Rails Beautifully. Buy your End Caps today. This Brass Ball End Cap fits our 2" diameter brass tubing. It is 5" long overall and the ball itself is 2-7/8"long. There is a 1/2" rim that slides into the tubing. It is finished in Gorgeous Polished Brass. Also includes an extra Protective Finish Coating.