Stable and secure: Lockable universal wheels keep your CPU tower securely in place, reducing unwanted movement during use. Easy mobility: Move your computer tower or other items to desired locations with ease, without lifting or tilting. Large weight capacity: Supports up to 30 kg, suitable for a wide range of heavy equipment and items. Versatile use: Not limited to CPU towers; can also be used for flower pots, food bowls, small printers, projectors and more. Use scenario 1: Place under a desktop PC tower to keep the workspace tidy. Lock the wheels when in position for stability, and unlock to relocate the tower for cleaning or reconfiguring your desk setup. Use scenario 2: Use as a mobile base for small office equipment such as a compact printer or projector. Move equipment between rooms or workstations without lifting. Use scenario 3: Use as a portable stand for home decor or pet items. Place a flower pot or a pet food bowl on the base and roll it to a convenient location, then lock the wheels to keep it stationary.