Round stainless steel tube diameter 50 mm tubular AISI 304
50mm OD x 3mm Wall x 44mm ID Mild Steel Round Tube 1018 Metric 60" | Online Metals
Amazon.com: Aluminum Round Tube 2" x 1.85" x 33.46" Long, 4Pcs 50mm x 47mm x 850mm OD x ID x L 6063 Round Aluminum Tubing 50mm Outer Diameter Wall Thickness 1.5mm (Kwweeoo) :