Amazon.com: PATIKIL M6 Aluminum Spacers, 5Pcs Metal Spacer Aluminum 6.5mm ID x 20mm OD x 9mm L Aluminum Spacer Screw Standoff Round for 1/4" or M6 Screw Bolts : Industrial & Scientific
Amazon.com: Rubber and Plastic Insulation Cotton, ID 20mm,27mm,34mm,43mm,48mm,60mm,76mm,89mm,108mm, Thick Aluminum Foil Heat and Sound Insulation Cotton, for External Factory Pipes, Indoor and Outdoor (Color : S : Tools & Home Improvement
Amazon.com: METALLIXITY Square Aluminum Tube (20mm x 20mm x 1mm x 300mm) 2Pcs, 6063 Aluminum Tubing - for Home Furnishing, Machinery : Industrial & Scientific
Amazon.com: 5pcs 4mm x 20mm x 250mm 6061 Aluminum Flat Bar Flat Plate Sheet : Industrial & Scientific
Amazon.com: feedal 4pcs SK20 Aluminum Linear Motion Rail Clamping Guide Support for 20mm Dia Shaft : Industrial & Scientific
Amazon.com: Coavoo 2040 Aluminum Extrusion 27.56 inch / 700mm Length T Slot Black 2 Pack, Extruded Aluminum 20mm x 40mm 20 Series T Type Profiles Anodized European Standard Linear Rail Frame 2Pcs : Industrial & Scientific
Amazon.com: Aluminum Film Foam Tubing, Self Sealing Rubber and Plastic Pipe Insulation, 0.95m X 20mm X 22-60mm, Antifreeze,Weatherproof, for Air Conditioning, Outdoor Water Pipe : Tools & Home Improvement
Amazon.com: PATIKIL M10 Aluminum Spacers,5Pcs Metal Spacer Aluminum Round 10.5mm ID x 20mm OD x 15mm L Thickness Aluminum Spacer Screw Standoff for 3/8" M10 Screw Bolt : Industrial & Scientific
Amazon.com: Aopin Round Aluminum Tube 12mm/0.47" ID x 20mm/0.79" OD x 300mm/11.8" Length, Seamless Aluminum Straight Tube 2 PCS : Industrial & Scientific
Amazon.com: METALLIXITY Square Aluminum Tube (20mm x 20mm x 0.8mm x 300mm) 3Pcs, 6063 Aluminum Tubing - for Home Furnishing, Machinery : Industrial & Scientific
Surprecision Aluminum Square Tube, Size 20mm x 20mm x 1mm, Length 600mm/23.62", White Aluminum Tubing for DIY Project, Home Furnishing and Construction Decoration 2 Pcs - Amazon.com
Amazon.com: SHHMA Aluminum Flat Bar Aluminium Bars Plate,Used to Make Handicraft Accessories, The Thickness is 2 mm,Width:20mm : Industrial & Scientific