2-inch universal wheel transport rollers that can easily change direction, very quiet and sturdy. Smooth surface to protect the floor. High quality material, high and wear-resistant quality of PU and is suitable for all indoor and outdoor floors, and can be used for a long time. The furniture caster axle can sturdily bear the load of 200kg, suitable for some furniture, tool box, etc. Convenient and easy to use, and can reduce your pressure when delivering items and operating for a long time, it can save your time and reduce pressure. 4 Swivel casters have brakes, so it can be locked safely and comfortably, so you don't have to worry about it moving. Property: - This swivel caster is made of high quality polyurethane. Unlike poor quality casters, these wheels won't scratch your floor. And the brake can be fixed well, don't worry about the goods moved. - 360 degree rolling wheels with brake, which makes the rotation movement much smoother and the axis much stronger than other models in the market. Specification: Material of wheels: high quality PU Color: black Brake function: Yes Total height: 2 inches Diameter of the wheel: 50 mm Weight of the bike: 200 g / per person Load capacity of a castor: 200 kg Mounting plate: 70 x 51 mm Suitable for: hardwood, laminate , tile, slate and all other hard floors. Package: 4 x heavy duty casters with brakes