Feature:1. Large Diameter: The wheelchair wheel with 4in large diameter ensures quick and flexible movements with great stability.2. Great Material: Adopting high quality rubber material, the caster wheel is skidproof and wear resistant during rolling.3. Sturdy for You: Equipped with a sturdy wheel hub, the tire is not likely to deform under heavy pressure, safe to use.4. Extensive Uses: Allows for wide application on wheelchair, walker, rollator, trolley, cart and so on, very practical.5. Easy to Install: Comes with a light weight and a compact size as well, the simple installation can be quickly finished.Specification:Item Type: Wheelchair WheelMaterial: RubberWheel Outer Diameter: 4inWheel Centre Aperture: Approx. 8mm / 0.31inWheel Width: Approx. 23mm / 0.91in.Package List:1 x Wheelchair WheelNote:Do not use overpressure.