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Amazon.com: Steel Tube 4.5mm Stainless steel tube 5mm Steel Tubing 5.5mm Pipe 4mm Metal Tube 3.5mm Round Tube 3mm Steel Pipes (OD5mmID4mm, L20cm 2 pieces) : Industrial & Scientific
TUBE ALUMINUM 36X5/16: Metal Industrial Wall Tubing: Amazon.com: Industrial & Scientific
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Amazon.com: 4pcs 304 Stainless Steel Tube,2mm/0.08" OD X 1.7mm/0.07" ID,250 mm(9.84") Length Round Metal Pipe Tube : Industrial & Scientific
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Amazon.com: Tynulox 1/4" OD 304 Stainless Steel Tube (12 inch Length, Thickened Pipe Wall), 304 Stainless Steel Weldable Tubing Round Metal Pipe, Industrial Straight Tube, 5 Pcs : Everything Else
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
Amazon.com: 30 Pack 2 Inch Round Plastic Hole Plug, Metal Pipe Tubing End Caps for Chair Glides : Industrial & Scientific
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Amazon.com: VictorsHome 6063 Aluminum Round Tube, 20mm OD 1mm Wall Thickness 300mm Length Metal Seamless Straight Pipe Tubing for DIY Crafts Model 2pcs : Industrial & Scientific
K&S Metal Round Tube 7/32" D X 12" L Brass Carded: Metal Industrial Wall Tubing: Amazon.com: Industrial & Scientific
K&s Engineering Co 130 Metal Round Tube
uxcell 304 Stainless Steel Round Tubing 6mm OD 1mm Wall Thickness 250mm Length Seamless Straight Pipe Tube 2 Pcs
Amazon.com: AIGUO Stainless Steel Tube, 2mm-5mm Outer Diameter Seamless Straight Tube, Stainless Steel Round Tube 0.15mm-1mm Wall Thickness 250mm Length (Size : 5mm x 1mm) : Tools & Home Improvement
uxcell Brass Tube, 2mm 3mm 4mm 5mm 6mm 7mm 8mm 10mm OD x 0.5mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 8: Amazon.com: Industrial & Scientific
Threaded Inserts for 1 inch (OD) Round Tubing 1/4-20 Thread 8 Pack Metal Tubing Threaded Star Threaded Round Adapter Thread Inserts for Metal Super-Deals-Shop: Amazon.com: Industrial & Scientific
