Easy Movement: Four casters allow smooth, effortless repositioning of the PC host without lifting, reducing strain and the risk of dropping the unit. Practical Protection: Keeps the computer off the floor to help isolate dust and moisture and to simplify cleaning and maintenance. Adjustable Width and Compatibility: Base footprint is about 300 x 140 mm (11.81 x 5.51 inches). Compatible with PC hosts of various sizes, with a height range of 5.5 inches to 9.4 inches and a maximum load of 22 pounds. Built in elasticity enables easy height/width adjustment to fit different towers. Easy Install: Attach the four wheels to the bottom following the included instructions to start using quickly. Use Scenarios: In a home office, move the PC between the desk and cabinet for cleaning, upgrading, or cable management. In a workshop or shared workspace, keep the tower elevated from dust and spills while still allowing easy relocation for maintenance. In IT or classroom settings, quickly reposition the PC during setup, maintenance, or demonstrations without lifting.