Vertical Wall Mount Brackets are available in 2RU, 3RU and 4RU sizes. The unique design supports the mounting of equipment that require cage nuts or threaded holes. The bracket is designed to be mounted six different ways: Hanging vertically on the wall, Flush and horizontal on the wall using dual brackets, Horizontally under a desk top, Hanging vertically on the side of 2" and higher Cablofil, Hanging horizontally under any width Cablofil, Hanging vertically on any 19" EIA style rack or cabinet.