The MI-891 is engineered for style and function with sleek, tinted, tempered glass that can hold up to 17 lbs. Adjust the shelf height within a 4.25" range to fit your components. This floating wall-mounted shelf saves space and keeps your A/V equipment neatly organized. The cable management system keeps your cords tucked away neatly. The shelf is made of 5mm thick tempered glass for extra strength.