Features: 1. Solid Wheel: Solid PU wheel makes rolling and turning easy without resistance, with no noise, strong bearing capacity. 2. Aluminum Alloy Wheel Hub: The wheel hub is made from premium aluminum alloy material, which is light and sturdy, hard wearing. 3. High Safety: The solid wheel is stable and anti skid, has high safety factor, people could use it with confidence. 4. 6 Inch: This replacement solid wheel is 6in, with center hole diameter of 8mm and wheel width of 46mm, easy to replace original one and install. 5. Multi Purpose: Multi functional wheel can be widely used in wheelchairs, medical vehicles, pushers, etc. Specification Item Type: Wheelchair Wheel Material: Polyurethane (PU) Wheel Outer Diameter: Approx. 150mm/6in Wheel Center Hole Diameter: Approx. 8mm/0.3in Wheel Width: Approx. 46mm/1.8in Package List 1 x Wheelchair Wheel