Blue Epoxy Coated Steel Wire Test Tube Rack, 24 Holes, Outer Diameter Permitted of Tubes 15-16mm or Less, 4 X 6 Format: Amazon.com: Industrial & Scientific
Amazon.com: ARRIS 330mm 16mm x 18mm x 330mm Glossy Surface 3K Roll Wrapped 100% Pure Carbon Fiber Tube for Quadcopter Multicopter (2PCS) : Industrial & Scientific
2 Pack 60 Holes Lab Test Tube Rack,16mm Test Tubes Holder,Detachable Lab Test Tube Rack for Scientific Experiments,Scientific Theme Party Decorations,White: Amazon.com: Industrial & Scientific
Amazon.com: Abester High Strength 3K Carbon Fiber Tube ID 14mm x OD 16mm x 500mm Glossy Surface for RC Hobby (1 Piece) : Industrial & Scientific
Devardi Glass COE 33 Boro Tubes, 10 Transparent 16mm Dark Cobalt Blue Borosilicate 12" Tubing: Amazon.com: Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (16mm OD x 5mm ID x 300mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
uxcell Silicone Tube 16mm ID X 20mm OD 3.3' Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer
uxcell PVC Hose Tube, 12mm(0.47") ID x 16mm(0.62") OD 1.5m/4.9ft Clear Vinyl Tubing, Plastic Flexible Water Pipe - - Amazon.com
Amazon.com: US WHABEST 1Pcs Carbon Fiber Tube 3k High Gloss 20mm OD x 16mm ID X 1000MM Long (Roll Wrapped) /Tubing/Pipe/Shaft : Industrial & Scientific
Amazon.com: OD 16mm Seamless Steel Pipe, Alloy Precision Steel Tubes Tube Inside and Outside Mirror Chamfering (Color : 60cm, Size : OD16mmxID12mm) : Tools & Home Improvement