4pcs 12mm OD 6mm ID 3mm Wall 12" Long 6061 T6 Aluminum Tube Tubing : Amazon.in: Industrial & Scientific
Creatube Aluminium Tube, Diameter 30 mm : Amazon.co.uk: Business, Industry & Science
K & S Precision Metals 1112 Round Aluminum Tube, 7/32" OD x 0.014" Wall x 36" Long, 6 Pieces, Made in The USA: Metal Industrial Wall Tubing: Amazon.com: Industrial & Scientific
Amazon.de: Leer Aluminium Farbe Tubes Box von 24 170 ml Tubes von Creative Mark