Simple Shelving Solutions Model BLG-00048 is a sleek and stylish way to add a 48" black glass floating shelf to many of the most popular HDTV stationary and tilt wall mounts, without any tools. It’s patent pending design attaches directly to the stationary or tilt mount, not the wall. The black E coat aluminum extension arms with wall bumpers attach to the anti lift locking mechanism to safely secure the floating shelf to the wall mount. The 3/8” thick black beveled glass is 12” deep and adjustable in height. Holding up to 30 lbs., Simple Shelf is perfect for the cable box, DVD or other devices. To hide the unsightly wires from your devices, a cable management system is included. The Simple Shelf currently works with 32"-60" stationary and tilt mounts from AVF Vector, Bello, Chief, Haropa, Ionic, K2, Level Mount, Luxor, Monster, Omni, Peerless, Premier, ProMount, Rhino, Sanus and Welton. Simple Shelf is not for use with Articulating Full Motion, or motorized Wall Mounts,