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4pcs 20mm OD 14mm ID 3.5mm Wall 12" Long 6061 T6 Aluminum Tube Tubing : Amazon.in: Industrial & Scientific
20mm OD x 2m Seamless 316 Stainless Steel Tubing: Amazon.com: Industrial & Scientific
uxcell PVC Clear Vinyl Tubing, 16mm(5/8") x 20mm Plastic Tube Flexible Water Pipe 3.3ft - - Amazon.com
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Amazon.com: uxcell 6063 Aluminum Round Tube 20mm OD 10mm Inner Dia 200mm Length Pipe Tubing : Industrial & Scientific
OD 20mm CNC Machine Seamless Steel Pipe, Alloy Precision Steel Tubes Seamless Steel Pipes Explosion-proof Tubes ( Color : 500mmm long , Size : 12mm ID ) - - Amazon.com
Amazon.com: 0.8 inch Square Tubing Steel Square Tube 20mm x 20mm x 41.73 inch / 1060mm Length Wall Thickness 1mm, 1 Pack 0.8" 20mm Hot Rolled ASTM A-36 Steel Square Tubing from
Amazon.com: Abester 3K Carbon Fiber Tube ID 20mm x OD 25mm x 1000mm Matt Surface Roll Wrapped (1 Piece) : Industrial & Scientific
Amazon.com: uxcell Silicone Tube 20mm ID x 25mm OD 1.64 Ft Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Water Transfer : Industrial & Scientific
Amazon.com: Stainless Steel Square Tubing Tube 20mm x 20mm x 1.5mm x 1310mm, 0.8" x 0.8" x 3/50" x 51.57" Long, 4 Pack 304 SS Square Tubings 1.5mm Thickness Polished Finished from
Amazon.com: (1) Carbon Fiber Tube - 20mm x 18mm x 500mm - 3K Roll Wrapped 100% Carbon Fiber Tube Glossy Surface : Industrial & Scientific