Swivel Casters Heavy Duty 360 Degrees Displacement. Smooth, Quiet, Solid, Quiet and Smooth Movement CONVENIENCE: INCLUDES 4 Without Brakes, 4 Universal Casters Wheels With M8 Bolt Thread Multiple Uses: These rubber wheels are ideal for DIY in homes, schools, garages, shops, trolleys, tables and hospitals, and are ideal for small equipment and small space furniture, including low stools, coffee tables, office chairs. , Toy Box, Basket, Workbench, Underbed Storage Strong, sturdy, easy to move furniture With M8 threaded rod, load rating: 240 kg (60 kg each) Note: The data are all manually measured, please allow 1-3 cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.