1. This bracket has a smooth, durable and high-quality aluminum alloy that can match all surfaces and equipment. Silver complements your desktop and beautifies your desktop scenery. Anti-rust and anti-corrosion, no screws on the surface. 2. Adjustment: The Z-shaped design raises the laptop screen, suitable for viewing or using an external keyboard, and can adjust a higher field of view and correct posture. Our bracket can be adjusted arbitrarily, it is very stable when typing, and will not shake. In addition, you can organize your keyboard and mouse and other office items under the stand.