3M X 20MM Long X 4.5MM OD Aluminum Round Spacer, UNTHREADED, for Electronics - 50 PCS: Amazon.com: Industrial & Scientific
Amazon.com: VictorsHome 6063 Aluminum Round Tube, 20mm OD 1mm Wall Thickness 300mm Length Metal Seamless Straight Pipe Tubing for DIY Crafts Model 2pcs : Industrial & Scientific
Amazon.com: Othmro 12pcs 1oz Metal Round Tins Aluminum Tin Cans Containers with Screw Lid, 50*20mm(DxH) Red tin cans for Salve, Spices, Lip Balm, Tea or Candies 30ml : Home & Kitchen
Amazon.com: DOITOOL 6pcs Round Shape Aluminum Circle Disc Round Blank Bezel Pendant Tray Glass Table Top Disc Hardware Adapter for Home Tea Tables 20mm : Tools & Home Improvement
Amazon.com: uxcell 4pcs SK20 Aluminum Linear Motion Rail Clamping Guide Support for 20mm Dia Shaft : Industrial & Scientific
Amazon.com: 4 Adjustable Furniture Legs, Round Aluminum Alloy Sofa Legs Interchangeable Cabinets 0-20mm Feet for DIY Home Projects TV Stand Sofa Gold 80mm : Tools & Home Improvement
Amazon.com: METALLIXITY 6063 Aluminum Tube (20mm OD x 18mm ID x 300mm L) 2Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: Cusco 247 511 A Type AS Strut Bar - Aluminum - 20mm Round - Rear : Automotive
Amazon.com: 2Pcs Aluminum Round Hollow Tube 21mm-30mm OD Seamless Straight Tubing 300mm Length for industrial automotive marine DUO ER (Specification : 26mm x 20mm x 300mm) : Industrial & Scientific