Caster 5" x 1-1/4" Plate Swivel with Brake Polypropylene Hub Wheel

[Material]: Polyurethane Wheel. [Size]: Wheel Diameter: 5"; Tread Width: 1-1/4"; Overall height: 5-5/8"; Swivel Radius: 4-1/8". [Load capacity]: 280 Lbs. each. [Wheel Bearing Type]: Delrin. [High Quality]: Wheels are durable and soft, light but strong. The smooth roller is scratch-resistant. Designed to avoid damage to hardwood, laminate, tiles, slate, carpet, concrete, and floors. [Wide Range of Applications]: Used for office chairs, computer chairs, mesh backrest chairs, shopping carts and medical beds.