OD 16mm CNC Machine Seamless Steel Pipe, Alloy Precision Steel Tubes Seamless Steel Pipe Explosion-proof ( Color : OD16mm 500mm long , Size : ID 6mm ) - - Amazon.com
16mm OD x 2m Seamless 316 Stainless Steel Tubing: Amazon.com: Industrial & Scientific
Corning 70800-16 Pyrex Vista Beaded Rim Test Tube, 16 mm OD (Pack of 50): Amazon.com: Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (16mm OD x 7mm ID x 300mm L) 3Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (16mm OD x 5mm ID x 300mm L) 2Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: Abester 3K Carbon Fiber Tube ID 13mm x OD 16mm x 1000mm Glossy Rolled Wrapped Pipe Shaft (1 Piece) : Toys & Games
Amazon.com: Aopin Round Aluminum Tube 13mm/0.51" ID x 16mm/0.63" OD x 300mm/11.8" Length, Seamless Aluminum Straight Tube 2 PCS : Everything Else
Amazon.com: WHABEST 19MM OD x 16MM ID x 1000MM 3k Carbon Fiber Tube/Tubing/Shaft, Wing Tube Quadcopter arm Helicopter : Industrial & Scientific