Wok Ring or Wok Stand from China is set on stove to keep wok from moving while cooking. The wok ring diameter is 8" on the top, 10" on the base and 2" in height. It fits with most sizes of the wok from 12"-16". We will ship either round or square shape depends on availability in stock. If you like to specific round or square shape, please comment in the comment box before checkout. Product of China.