Item Type: Wheelchair Front Wheels_x000D_ Material: Rubber_x000D_ Steering: Single Wheel_x000D_ Maximum Load: 120 (kg)_x000D_ Diameter: Approx. 176mm / 7in_x000D_ Hole Distance: Approx. 37mm / 1.5in_x000D_ Bearing Hole: Approx. 8mm / 0.3in_x000D_ Bearing: 608ZZ_x000D_ Color: Gray 1Can be used as wheels, widely used in disabled vehicles, healthcare vehicles, etc. 2Can be rolled lightly over all surfaces, labor-saving and practical to use. 3Easy to install and remove, made of quality and reliable rubber material. 4Sturdy and durable, quality wheel, wear - resistant, non - slip, durable use 5Good reliability, small size, light weight, beautiful appearance.1x_x000D_ _x000D_ Wheelchair Front WheelsDue to manual measurement, there is a slight error, thank you for your understanding.