- The overall dimension of the wheel (diameter x width) is 150mm x 24mm / 5.9 x 0.94, Overall Dimension of Wheel (Diameter x Width) is 150mm x 24mm / 5.9" x 0.94", Center Bearing internal diameter is 8mm / 0.3" and the length of Axle Screws is 75mm / 2.95". (PLEASE check detailed dimension on the photo before purchasing!!) - Package includes 1/2 x Grey Front Replacement Wheels, 1/2 x Axles, easy and convenient to install without complicated steps, saving your effort and time. - Made of high quality and environment-friendly rubber material, this set of solid replacement wheels is non-slip and dust proof with strong wear resistance and load bearing capacity. - Wide application on disabled vehicles, healthcare vehicles, etc, compatible with most wheelchairs, rollators, walkers or other replacement accessories with 6" wheels. - This set of front wheel replacement will provide silent, smooth and light rolling over all surfaces, suitable for indoor and outdoor use, labor-saving, practical and long term to use. Material: Solid Rubber Color: Grey Total Weight: 1200g/2400g Package Includes: 1/2 x Black 6 Inch Front Replacement Wheels 1/2 x Axles Screws