UNIVERSAL CPU MOUNT: This under desk computer tower mount has an adjustable frame that accommodates a variety of PC towers ranging in height from 11.8 to 21 and width ranging from 3.5 to 8. Save desktop and floor space and extend the life of your computer by protecting it from dust and impact. FULL SWIVEL COMPUTER TOWER HOLDER: This PC computer holder features a 360 degree swivel so that you can easily access the cables and ports on the back of the tower.