Amazon.com: Aluminum Round Tube 2" x 1.65" x 98.43" Long, 4Pcs 50mm x 42mm x 2500mm OD x ID x L 6063 Round Aluminum Tubing 50mm Outer Diameter Wall Thickness 4mm (Kwweeoo) :
Amazon.com: Kwweeoo Aluminum Square Tubing 2Pcs 50mm x 50mm x 1000mm Long Wall Thickness 2mm, 2 Pack Aluminum Structural Square Tube 2 x 2 x 0.08 x 39.37" inch : Industrial & Scientific
Tubo de Aluminio de 50 mm - Chamsa - Orbes Agricola SAC