Feature:1. Can be used as wheels, widely used in disabled vehicles, healthcare vehicles, etc.2. Can be rolled lightly over all surfaces, labor-saving and practical to use.3. Easy to install and remove, made of quality and reliable rubber material.4. Sturdy and durable, quality wheel, wear - resistant, non - slip, durable use5. Good reliability, small size, light weight, beautiful appearance.Specification:Item Type: Wheelchair Front WheelsMaterial: RubberSteering: Single WheelMaximum Load: 120 (kg)Diameter: Approx. 176mm / 7inHole Distance: Approx. 37mm / 1.5inBearing Hole: Approx. 8mm / 0.3inBearing: 608ZZColor: Gray.Package List:1 xWheelchair Front WheelsNote:Due to manual measurement, there is a slight error, thank you for your understanding.