U-shaped universal wheels are designed for light furniture, trolleys and office equipment. They can be used for furniture, carts, small tables, office chairs, filing cabinets, display racks, service carts, etc. They are perfect for home and commercial scenarios.SpecificationColor: BrownMaterial: Thermoplastic Rubber (Wheel Surfaces), Steel (Brackets)Wheel Diameter: 50 mm / 2 InchWheel Width: 18 mm / 0.7 InchClamp Opening Width: 16 mm / 0.6 InchInstallation Height: 64 mm / 2.5 InchBase Plate Size: 40 x 31 mm / 1.6 x 1.2 InchPacking List: 4 Pcs x Caster Wheels, 4 Pcs x Screws, 4 Pcs x NutsLoad Capacity: 55 Lb Capacity Per Caster, 238 Lb 4-wheel Total Load CapacityAdvantageCaster wheels use TPR wheel surfaces to achieve noiseless rolling without damaging wooden floors/tiles/carpets.The Swivel Casters' 360° universal rotation design allows for flexible steering and easier movement.The caster bracket is made of steel, which is strong and corrosion-resistant, and durable.InstructionChoose a model that matches the clamp according to the thickness of the furniture (16/20/25mm), insert the screw into the reserved hole of the furniture, and secure it with a nut. Install and test whether the wheel can rotate normally, and adjust the tightness of the screw to ensure stability.NOTE: Pay attention to the load-bearing limit, avoid overloading.Before purchasing, please confirm that the clamp thickness and wheel model match your furniture.