What is this?Our V slot 2020 aluminum extrusion meets the European standard aluminum profile, widely used for automation equipment, professional 3D printers, workbenches, stands, furniture, machinery, fitness equipment, precision printers, automatic cutting machines, etc.What will I get?V slot 2020 aluminum extrusion, is in size of: 700mm/27-inch length, 20mm/0.79-inch wire width, 20mm/0.79-inch wire height, black colorIn the package of: 10pcs x V slot 2020 aluminum extrusionIs there any advantages of the product?The surface is anodized, making the surface smoother and cleaner; spraying and chemical polishing, a smooth surface without burrs on the edges; lightweight, high strength, and durable.