-High-quality products and satisfactory customer service at a reasonable price The overall dimension of the wheel (diameter x width) is 150mm x 24mm / 5.9 x 0.94, the inner diameter of the center bearing is 8mm / 0.3, and the length of the axle screws is 75mm / 2.95. (Please check the detailed dimensions in the third picture before purchasing!!) The package includes 2 gray front replacement wheels, 2 axles, easy and convenient to install without complicated steps, saving your effort and time. Made of high-quality and environmentally friendly rubber material, this set of solid replacement wheels is non-slip and dust-proof with strong wear resistance and load-bearing capacity. Widely applicable to disabled vehicles, healthcare vehicles, etc., compatible with most wheelchairs, walkers, rollators, or other replacement accessories with 6 wheels. This front wheel replacement set will provide a quiet, smooth, and lightweight ride on all surfaces, suitable for indoor and outdoor use,