Heavy-Duty Flat-Bottom Swivel Casters: The wheels of the heavy-duty casters can rotate 360 degrees. To change direction flexibly, smoothly, quietly, and powerfully. When the brake is applied, the mounting plate and the wheels are locked simultaneously.Heavy-Duty Design: Our flat-bottom brake casters are made of heavy-duty steel. Polyurethane casters offer the elasticity of rubber wheels and the elasticity and durability of metal wheels. This extremely hard structure is robust and durable. The load capacity of the heavy-duty casters is 200 kg (50 kg per wheel).Scope of Application: These furniture casters with brakes are ideal for various interior and industrial applications. They can be used in homes, schools, garages, shops, trolleys, and hospitals. Furniture and other small moving furniture can be used for almost any furniture. The sturdy wheels are resistant to dirt and corrosion.Suitable for floors: such as carpets, laminate, parquet, wood, cork, tiles, granite, paving, lawns, etc. These furniture casters have durable and soft polyurethane rubber covers that can easily slide on any floor. Very quiet and protect your floor from scratches or scratches.Safe and secure: Our steering wheel has a built-in lock that can be easily adjusted and unlocked. The double locking function guarantees you full control of the furniture and a firm hold.Number of pieces delivered: 4Size: width 50 mm (please refer to the picture for specific size)Welcome to meet us