Small polishing wheel for carving jade

The image shows a small polishing wheel for carving jade by artist unknown. The polishing wheel is round and made of a tan-colored material. It is centered in the image. The wheel has a darker tan-colored circle in the middle with a small hole in the center. The wheel is flat with a brownish edge. The background of the image is a solid gray color. The image is bordered on the right side by solid white.