Keep your computer cleaner, and out of the way. * Move your computer to a more convenient location with our under-desk mounting kits. * Save floor space or desktop space, help keep dust and dirt out of your computer case, and keep your media drives within easy reach. * Constructed of rust-proof powder-coated steel, this stylish bracket adjusts to fit virtually any sized tower case * Adjusts to fit cases from 5 1/4" to 9 1/4" wide and from 15 1/4" to 21" high.