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Amazon.com: METALLIXITY 6063 Aluminum Tube (15mm OD x 8mm ID x 300mm L) 2Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
10 pcs/Set Round Aluminum Spacer, 8 mm Outer Diameter Gasket for Cylinder Support Fittings(8mm) - Amazon.com
Amazon.com: 2Pcs 8mm (5/16") Aluminum Alloy Non-Return One Way Check Valve for Fuel Oil Petrol Diesel, with 4Pcs Universal Adjustable Hose Clamps, and 1Pc Multibit 2-in-1 Stubby Screwdriver : Automotive
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