Lavi Polished Solid Bras bar rail tubing is 1-1/2" in diameter with a .050 wall thickness. Available in 5 lengths and can be cut to size.
Lavi 1-1/2 Polished Brass Flush Tee 90 degree - Pipe Fittings
Lavi 1-1/2 Polished Brass Wall Flange : Industrial
Brass Tubing
Flush End Cap for 1.5-inch Round Handrail Tubing
Lavi Industries, Ball Finial, for 1.5 Tubing, Polished Brass
Lavi Industries 500 Brass Cut Wall Flange, 3 in Dia x 2 in H
Brassfinders: Polished Brass Round Tubing (1/2 Inch OD)
KOHLER Clearflo 1-1/2 Inch Adjustable Pop-Up Drain in Vibrant
Lavi Industries 600 Brass Scroll Finial, 2-3/4 in W x 3-1/8 in H