Fits most desktop towers. Open design on all sides helps ventilation, and two lockable casters increase the height above the ground to better protect your CPU from overheating. Two lockable metal casters swivel 360 degrees and can be used as an office tool cart. The dual-tier design meets most placement and storage needs, such as plants, magazines, notebooks, pens, coffee, phones, headphones, glasses, remote controls, iPads, printers, shredders, external hard disks, speakers, projectors, etc. The under-desk design is within easy reach, efficient and practical, space-saving.