K&S Engineering 1110 Round Aluminum Tube, 5/32" OD x 0.014" Wall x 36" Long, 5 Pieces, Made in The USA: Metal Industrial Wall Tubing: Amazon.com: Industrial & Scientific
uxcell 6063 Aluminum Round Tube, 300mm Length 16mm OD 5mm Inner Dia Seamless Aluminum Straight Tubing: Amazon.com: Industrial & Scientific
Amazon.com: SmallRig 15mm Rods Pack, 15mm Tube with M12 Thread Rod Cap Connectors, Aluminum Alloy Rods Combination for Camera Rig Matte Box Follow Focus 15mm Rod System - 1659 : Electronics
Amazon.com: ATEYC Aluminum Round Tube, Aluminum Hollow Tubing 5pcs Tube Connecting Shaft for RC Car Boat Model (Color : 6×3mm, Size : Length 100mm) : Industrial & Scientific
Amazon.com : Parts & Accessories 4 Sets 12mm/ 16mm/ 20mm/ 22mm/ 25mm CNC Aluminium Tube Clamp Motor Mount Fixture Clip Holder for Multi-axis Fixed-wingAircraft - (Color: 40mm Black) : Patio, Lawn &
Amazon.com: BAISHOP 5pcs Aluminium Tube, Aluminum Square Tubing Connecting Rod Shaft for RC Car Boat Model (Size : 10x10x200x1mm) : Toys & Games
Amazon.com: uxcell 6063 Aluminum Round Tube, 30mm OD 27mm Inner Dia 300mm Length Seamless Straight Tubing : Industrial & Scientific
Meter Star 0.24"(6mm) Aluminum Tubing with compression olive Fittings M10x1 female and Male Length 1 meter/39 inch gas water heater parts - - Amazon.com
Tubing, 0.18 in. ID, 1/4 in. OD, Aluminum: Amazon.com: Industrial & Scientific
Amazon.com: 4" Aluminum Square Tube 1/4" Wall x 72" Long 6061-T6 Mill Finish : Industrial & Scientific