Amazon.com : 118"/3m Stainless Metal Tube Crossbar for Studio Backdrop Wall Mount System - Holder Pole : Electronics
K & S 9621 Round Stainless Steel Tube, 7/16" OD x 22 Gauge x 36" Long, 3 Pieces, Made in The USA: Metal Industrial Wall Tubing: Amazon.com: Industrial & Scientific
Beduan Sanitary Tri Clamp Tube, 2" Length Spool Tube Stainless Steel Seamless Round Tubing with 1.5 inch Tri Clamp 50.5mm Ferrule Flange: Amazon.com: Industrial & Scientific
Amazon.com: uxcell Brass Tube, 2.5mm 3.5mm 4.5mm 5.5mm 6.5mm 7.5mm 8.5mm 9.5mm OD x 0.5mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 8 : Industrial & Scientific
Amazon.ca: Steel Tubes: Industrial & Scientific
Amazon.com: Metal Air Tight Tube Container, Water Proof Tube Storage, Fit in Pocket Purse Lightweight Portable for Travel (3 Pack) : Health & Household