Features: _x000D_ 1. Wear resistant PU wheel rolls smoothly and quietly, no damage to the floors. _x000D_ 2. Heavy duty steel frame with good bearing capacity, anti-corrosion and durable. _x000D_ 3. 360 degree swivel allows the castor to move flexibly in different directions. _x000D_ 4. Easy to install, simple and convenient operation. _x000D_ 5. Suitable for office chairs, swivel chairs, trolleys, furniture, electric appliances, etc. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Material: PU + steel _x000D_ Color: Black _x000D_ Optional Style: #1 Threaded Stem Electrophoresis, #2 Slotted Stem Electrophoresis, #3 Slotted Stem Galvanize _x000D_ Load Bearing: 50kg/pcs, 200kg/5pcs _x000D_ Wheel Diameter: 3 inch(75mm) _x000D_ Wheel Width: 24mm/0.94in _x000D_ Installation Height: 90mm/3.54in _x000D_ Rotation Radius: 67mm/2.64in _x000D_ Weight: 1356g (approx.) _x000D_ _x000D_ Package List: _x000D_ 5 x Casters