HOLKIE 50mm Heavy Duty Furniture Castor Wheels Set of 4 Up to 250kg for (2 Swivel with Brake and 2 Rigid Castors) Free Screws

STABLE CONSTRUCTION: Housing made of heavy steel for high load, the max capacity of 4 wheels is up to 250kg. These castor wheels set of 4 are heavy duty enough for most applications, such as flight cases, mobile workstation, worktable, trolley. SAFETY TOTAL LOCK: This brake simultaneously locks the wheel and the swivel, holding the equipment firmly in place to reduce accidents. This combination wheel brake and swivel lock is essential for safety in some applications, such as on worktables, table saws, medical equipment, and used on uneven floors. SMOOTH AND SILENT: Thanks to double precision ball bearings which contribute to smooth mobility and low noise during movement, these castor wheels can keep smooth and silent even under heavy load. PVC material also will absorb shocks to keep low-vibration transport. Widely Used: These castor wheels are versatile and can be used in both industrial and residential settings. They are ideal for dollies, plant stands, workbenches, bookshelves, underbed storage, and more. WHAT YOU GET: 2 x swivel castors with brake, 2 x rigid castors, 16 x screws and 16 x washers. If there's any problem, please feel free to ask.