Amazon.com: uxcell Brass Tube, 1mm 2mm 3mm 4mm 5mm 6mm OD x 0.2mm Wall Thickness 300mm Length Metal Tubing, Pack of 6 : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (11mm OD x 8mm ID x 300mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: uxcell Brass Tube, 1mm 1.5mm 2mm 2.5mm 3mm 3.5mm OD x 0.2mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 6 : Industrial & Scientific
uxcell 2Pcs 304 Stainless Steel Capillary Tube Tubing 2.35mm ID 3.2mm OD 300mm Length 0.425mm Wall: Amazon.com: Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (14mm OD x 7mm ID x 300mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (14mm OD x 8mm ID x 300mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific