![Amazon.com: Abester Roll Wrapped Carbon Fiber Wing Tube ID 12mm x OD 14mm x 1000mm 3K Glossy Surface (1 Piece) : Industrial & Scientific Amazon.com: Abester Roll Wrapped Carbon Fiber Wing Tube ID 12mm x OD 14mm x 1000mm 3K Glossy Surface (1 Piece) : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71qDAQNWvdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Abester Roll Wrapped Carbon Fiber Wing Tube ID 12mm x OD 14mm x 1000mm 3K Glossy Surface (1 Piece) : Industrial & Scientific
![Amazon.com: 8" Borosilicate Glass Blowing Tubing 7 Colored Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific Amazon.com: 8" Borosilicate Glass Blowing Tubing 7 Colored Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51iSCO4Gg2L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 8" Borosilicate Glass Blowing Tubing 7 Colored Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific
![Amazon.com: Egytree 12" Borosilicate Glass Blowing Tubing 5 Clear Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific Amazon.com: Egytree 12" Borosilicate Glass Blowing Tubing 5 Clear Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71h9aD+igdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Egytree 12" Borosilicate Glass Blowing Tubing 5 Clear Tubes 12mm OD 2mm Thick Wall Tube : Industrial & Scientific
![Silver 304 Stainless Steel Capillary Tube 12mm OD, 10mm ID, 250mm Length: Amazon.com: Industrial & Scientific Silver 304 Stainless Steel Capillary Tube 12mm OD, 10mm ID, 250mm Length: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/514uYUt3nWL.jpg)
Silver 304 Stainless Steel Capillary Tube 12mm OD, 10mm ID, 250mm Length: Amazon.com: Industrial & Scientific
![Amazon.com: CNBTR 5pcs OD 15mm ID 12mm Length 200mm 304 Stainless Steel Metal Capillary Tube : Industrial & Scientific Amazon.com: CNBTR 5pcs OD 15mm ID 12mm Length 200mm 304 Stainless Steel Metal Capillary Tube : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71a69Ze6OjL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CNBTR 5pcs OD 15mm ID 12mm Length 200mm 304 Stainless Steel Metal Capillary Tube : Industrial & Scientific
![MECCANIXITY Acrylic Pipe Rigid Round Tube Clear 12mm(1/2") ID 16mm(5/8") OD 305mm(12") for Lamps and Lanterns,Water Cooling System - - Amazon.com MECCANIXITY Acrylic Pipe Rigid Round Tube Clear 12mm(1/2") ID 16mm(5/8") OD 305mm(12") for Lamps and Lanterns,Water Cooling System - - Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/417Az4l-GSL.jpg)
MECCANIXITY Acrylic Pipe Rigid Round Tube Clear 12mm(1/2") ID 16mm(5/8") OD 305mm(12") for Lamps and Lanterns,Water Cooling System - - Amazon.com
![uxcell 1/2"(12mm) Soft Silicone Bending Insert Tube for Rigid Tubing 3.3ft Clear: Amazon.com: Industrial & Scientific uxcell 1/2"(12mm) Soft Silicone Bending Insert Tube for Rigid Tubing 3.3ft Clear: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41a3C3Z+tHL._AC_UF894,1000_QL80_.jpg)
uxcell 1/2"(12mm) Soft Silicone Bending Insert Tube for Rigid Tubing 3.3ft Clear: Amazon.com: Industrial & Scientific
![Amazon.com: Feelers 9mm ID x 12mm OD High-Strength Silicone Tubing Thick Food Grade High Temp Pure Silicon Tube High Temp Home Brewing Winemaking Silicone Hose Tubing, 10ft Length : Industrial & Scientific Amazon.com: Feelers 9mm ID x 12mm OD High-Strength Silicone Tubing Thick Food Grade High Temp Pure Silicon Tube High Temp Home Brewing Winemaking Silicone Hose Tubing, 10ft Length : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61Cs+LUi8WL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Feelers 9mm ID x 12mm OD High-Strength Silicone Tubing Thick Food Grade High Temp Pure Silicon Tube High Temp Home Brewing Winemaking Silicone Hose Tubing, 10ft Length : Industrial & Scientific
![Amazon.com: 2pcs OD 12mm ID 11mm Length 250mm 304 Stainless Steel Capillary Tube : Industrial & Scientific Amazon.com: 2pcs OD 12mm ID 11mm Length 250mm 304 Stainless Steel Capillary Tube : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/7166EIZXeCL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 2pcs OD 12mm ID 11mm Length 250mm 304 Stainless Steel Capillary Tube : Industrial & Scientific
![Amazon.com: uxcell Silicone Tubing, 1/2"(12mm) ID x 11/16"(18mm) OD 3.3ft Silicone Rubber Tube Air Hose Water Pipe for Pump Transfer Black : Industrial & Scientific Amazon.com: uxcell Silicone Tubing, 1/2"(12mm) ID x 11/16"(18mm) OD 3.3ft Silicone Rubber Tube Air Hose Water Pipe for Pump Transfer Black : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51g3GIZtn9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: uxcell Silicone Tubing, 1/2"(12mm) ID x 11/16"(18mm) OD 3.3ft Silicone Rubber Tube Air Hose Water Pipe for Pump Transfer Black : Industrial & Scientific
![Amazon.com: Wellshine 5PCS Aluminum Tube, 6063 Round Aluminum Tube,12mm Outer Diameter 3mm Inner Diameter 300mm Length Seamless Aluminum Tubing for DIY handmade,crafts,home furnishing : Industrial & Scientific Amazon.com: Wellshine 5PCS Aluminum Tube, 6063 Round Aluminum Tube,12mm Outer Diameter 3mm Inner Diameter 300mm Length Seamless Aluminum Tubing for DIY handmade,crafts,home furnishing : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61v+eitLInS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Wellshine 5PCS Aluminum Tube, 6063 Round Aluminum Tube,12mm Outer Diameter 3mm Inner Diameter 300mm Length Seamless Aluminum Tubing for DIY handmade,crafts,home furnishing : Industrial & Scientific
![Amazon.com: OD 12mm Seamless Steel Pipe Tube Steel Hydraulic, Alloy Precision Steel Tubes, Home DIY Metal Pipes, 1pcs (Color : OD-12mm-800mm-long, Size : ID-6mm) : Industrial & Scientific Amazon.com: OD 12mm Seamless Steel Pipe Tube Steel Hydraulic, Alloy Precision Steel Tubes, Home DIY Metal Pipes, 1pcs (Color : OD-12mm-800mm-long, Size : ID-6mm) : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51ydJHK8v-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: OD 12mm Seamless Steel Pipe Tube Steel Hydraulic, Alloy Precision Steel Tubes, Home DIY Metal Pipes, 1pcs (Color : OD-12mm-800mm-long, Size : ID-6mm) : Industrial & Scientific
![Amazon.com: LC GLASS 4 Inch Long 6 PIECE Pyrex Glass Tubes 12 mm OD 2 mm ID Wall : Industrial & Scientific Amazon.com: LC GLASS 4 Inch Long 6 PIECE Pyrex Glass Tubes 12 mm OD 2 mm ID Wall : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/718HiiDPTEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LC GLASS 4 Inch Long 6 PIECE Pyrex Glass Tubes 12 mm OD 2 mm ID Wall : Industrial & Scientific
![Quickun Pneumatic Tubing 12mm x 8mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Blue 32.8ft/10Meters) - - Amazon .com Quickun Pneumatic Tubing 12mm x 8mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Blue 32.8ft/10Meters) - - Amazon .com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61blbDCvCsL._AC_UF894,1000_QL80_.jpg)
Quickun Pneumatic Tubing 12mm x 8mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Blue 32.8ft/10Meters) - - Amazon .com
![Devardi Glass COE 33 Boro Tubing, 6 Clear 12mm Borosilicate 12" Tubes: Amazon.com: Industrial & Scientific Devardi Glass COE 33 Boro Tubing, 6 Clear 12mm Borosilicate 12" Tubes: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81+aeuX56OL._AC_UF894,1000_QL80_.jpg)
Devardi Glass COE 33 Boro Tubing, 6 Clear 12mm Borosilicate 12" Tubes: Amazon.com: Industrial & Scientific
![5PCS 4.79 inches Long Glass Tubes 12mm Diameter 2mm Glass Tube Color Borosilicate Glass Tubes: Amazon.com: Industrial & Scientific 5PCS 4.79 inches Long Glass Tubes 12mm Diameter 2mm Glass Tube Color Borosilicate Glass Tubes: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51wsmP-jX0L._AC_UF1000,1000_QL80_.jpg)
5PCS 4.79 inches Long Glass Tubes 12mm Diameter 2mm Glass Tube Color Borosilicate Glass Tubes: Amazon.com: Industrial & Scientific
![Amazon.com: (2) KARBXON - Carbon Fiber Tube - RED - 14mm X 12mm X 1000mm - Hollow Carbon Fiber rods - Glossy Carbon Tubes - Pure Carbon Fibre Tubes - Lightweight High Amazon.com: (2) KARBXON - Carbon Fiber Tube - RED - 14mm X 12mm X 1000mm - Hollow Carbon Fiber rods - Glossy Carbon Tubes - Pure Carbon Fibre Tubes - Lightweight High](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/715+s72YyBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: (2) KARBXON - Carbon Fiber Tube - RED - 14mm X 12mm X 1000mm - Hollow Carbon Fiber rods - Glossy Carbon Tubes - Pure Carbon Fibre Tubes - Lightweight High
![Amazon.com: Joywayus 12mm x 8mm Pneumatic Tubing Air Compressor Tubing PU Pipe Polyurethane Hose Tube Fluid Gas Transfer 16.4ft 5 Meter Black : Industrial & Scientific Amazon.com: Joywayus 12mm x 8mm Pneumatic Tubing Air Compressor Tubing PU Pipe Polyurethane Hose Tube Fluid Gas Transfer 16.4ft 5 Meter Black : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61bnrWznpJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Joywayus 12mm x 8mm Pneumatic Tubing Air Compressor Tubing PU Pipe Polyurethane Hose Tube Fluid Gas Transfer 16.4ft 5 Meter Black : Industrial & Scientific
![Amazon.com: 12mm OD 10mm ID 1mm Wall 250mm Long Titanium Tube Tubing TA2 99% Purity : Industrial & Scientific Amazon.com: 12mm OD 10mm ID 1mm Wall 250mm Long Titanium Tube Tubing TA2 99% Purity : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61azLcR97QL._AC_UF894,1000_QL80_.jpg)