1. With the narrow side facing down, this ring allows a small, fast electric stove to heat the wok. It consumes electricity, heats up and cools down quickly, and cooks food just like a gas stove. All coils are covered, maximizing usability. The ring fits with the external coil. 2. The wok ring structure is durable, featuring flat and side surfaces. It can be used to support the wok during regular cooking. 3. This frying pan ring has nonsharp edges on both ends, making it ideal for roundbottomed pans. Universal size, suitable for gas stove pans. For a roundbottomed wok, the wok ring should be smaller than the required pot diameter. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store