360 Degree Rotation: These small furniture casters can rotate 360 degrees, you can easily move objects in the direction you want. If you want to fix the wheel in one place, just press the brake and you can fix it in 5 seconds. Product parameters: wheel diameter 50mm; height: 64mm; package contents: 4 rubber wheels with brakes, 16 screws. 4 brakes can provide more stability for objects that are not easy to move. Premium Material: High performance casters with brakes made of premium thermoplastic rubber provide the spring force of rubber wheels with the strength and durability of metal wheels. Works on all floors, leaves no marks and rolls well. These transport casters can be used for a variety of small or large projects, suitable for heavy duty coffee tables, plant stands, bookcases, shoe cabinets, storage boxes, etc. toys and more.