The PS933PB-A is a 3-shelf wall mounted system constructed of black tempered glass for an elegant style. Accommodates TV up to 50-Inch and AV components in one sleek system, no need to purchase a separate TV Mount. Supports a TV up to 100 lbs. and the two lower height-adjustable shelves hold up to 33 lbs. each. Mount directly onto solid concrete wall, wooden studs, or between wooden studs using the included horizontal positioning bar.