Amazon.com: 2pcs 304 Stainless Steel Tube,4mm/0.16" OD X 3mm/0.12" ID,250 mm(9.84") Length Round Metal Pipe Tube : Industrial & Scientific
Aluminium tube made of AlMgSi0.5 aluminium tube, aluminium profile, round tube, model building up to 1.5 m, 150 x 5 mm x 1,000 +-5 mm : Amazon.de: Business, Industry & Science